#!/usr/bin/perl
# Jeremy Brown [0xjbrown41@gmail.com/jbrownsec.blogspot.com]
# PDF FUZZER -- TAKE IT TO THE HEAD
# :) HAVE FUN :)

use PDF::Create;
use Getopt::Std;

@overflow = ('A' x 8200, 'A' x 11000, 'A' x 110000, 'A' x 550000, 'A' x 1100000, 'A' x 2200000, 'A' x 12000000, "\0x99" x 1200, "//AAAA" x 250, "\\AAAA" x 250);

@fmtstring = ("%n%n%n%n%n", "%p%p%p%p%p", "%s%s%s%s%s", "%d%d%d%d%d", "%x%x%x%x%x",
              "%s%p%x%d", "%.1024d", "%.1025d", "%.2048d", "%.2049d", "%.4096d", "%.4097d",
              "%99999999999s", "%08x", "%%20n", "%%20p", "%%20s", "%%20d", "%%20x", 
              "%#0123456x%08x%x%s%p%d%n%o%u%c%h%l%q%j%z%Z%t%i%e%g%f%a%C%S%08x%%", "\0xCD" x 50, "\0xCB" x 50);

@numbers = ("0", "-0", "1", "-1", "32767", "-32768", "2147483647", "-2147483647", "2147483648", "-2147483648",
            "4294967294", "4294967295", "4294967296", "357913942", "-357913942", "536870912", "-536870912",
            "1.79769313486231E+308", "3.39519326559384E-313", "99999999999", "-99999999999", "0x100", "0x1000",
            "0x3fffffff", "0x7ffffffe", "0x7fffffff", "0x80000000", "0xffff", "0xfffffffe", "0xfffffff", "0xffffffff",
            "0x10000", "0x100000", "0x99999999", "65535", "65536", "65537", "16777215", "16777216", "16777217", "-268435455");

@miscbugs = ("test|touch /tmp/ZfZ-PWNED|test", "test`touch /tmp/ZfZ-PWNED`test", "test'touch /tmp/ZfZ-PWNED'test", "test;touch /tmp/ZfZ-PWNED;test",
             "test&&touch /tmp/ZfZ-PWNED&&test", "test|C:/WINDOWS/system32/calc.exe|test", "test`C:/WINDOWS/system32/calc.exe`test",
             "test'C:/WINDOWS/system32/calc.exe'test", "test;C:/WINDOWS/system32/calc.exe;test", "/bin/sh", "C:/WINDOWS/system32/calc.exe", "%0xa", "%u000");

getopts('t:o:', \%opts);
$target = $opts{'t'};
$pdfdoc = $opts{'o'};

if(!defined($target) || !defined($pdfdoc))
{
     print "\n                   pdfUZZ - PDF Fuzzer";
     print "\nJeremy Brown [0xjbrown41@gmail.com/http://jbrownsec.blogspot.com]";
     print "\n     Usage: $0 -t <targetapp> -o <output.pdf>\n\n";
     exit(0);

}

     print "\n                   pdfUZZ - PDF Fuzzer";
     print "\nJeremy Brown [0xjbrown41@gmail.com/http://jbrownsec.blogspot.com]\n";

print "\nFUZZING '$target' with '$pdfdoc' [STAGE->1(Version)]";

print "\n";
foreach(@numbers) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => $fuzz,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->2(Author)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->3(Title)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => $fuzz,
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => $fuzz,
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => $fuzz,
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->4(page_size)]";

print "\n";
foreach(@numbers) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => [$fuzz, $fuzz, $fuzz, $fuzz]);
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->5(Subject)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => $fuzz,
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => $fuzz,
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => $fuzz,
                       'Keywords'     => 'pdfUZZ');
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->6(Keywords)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => $fuzz);
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => $fuzz);
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => $fuzz,
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => $fuzz);
$main = $pdf->new_page('MediaBox'     => $pdf->get_page_size('A4'));
$pdf->close;
system $target $pdfdoc; }

print "\nFUZZING '$target' with '$pdfdoc' [STAGE->7(font/Subtype)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => $fuzz,
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => $fuzz,
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => $fuzz,
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->8(font/Encoding)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => $fuzz,
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => $fuzz,
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => $fuzz,
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->9(font/BaseFont)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => $fuzz);
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => $fuzz);
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => $fuzz);
$page->string($ffont, 20, 300, 300, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }

print "\nFUZZING '$target' with '$pdfdoc' [STAGE->10(string/z+x+y)]";

print "\n";
foreach(@numbers) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, $fuzz, $fuzz, $fuzz, "pdfUZZ");
$pdf->close;
system $target $pdfdoc; }

print "FUZZING '$target' with '$pdfdoc' [STAGE->11(string/text)]";

print "\n";
foreach(@overflow) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, $fuzz);
$pdf->close;
system $target $pdfdoc; }
foreach(@fmtstring) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, $fuzz);
$pdf->close;
system $target $pdfdoc; }
foreach(@miscbugs) { $fuzz = $_;
$pdf = new PDF::Create('filename'     => $pdfdoc,
                       'Version'      => 1.2,
                       'Author'       => 'pdfUZZ',
                       'Title'        => 'pdfUZZ',
                       'CreationDate' => [localtime],
                       'Subject'      => 'pdfUZZ',
                       'Keywords'     => 'pdfUZZ');
$main  = $pdf->new_page('MediaBox'    => $pdf->get_page_size('A4'));
$page  = $main->new_page;
$ffont = $pdf->font('Subtype'         => 'Type1',
                    'Encoding'        => 'WinAnsiEncoding',
                    'BaseFont'        => 'Times-Roman');
$page->string($ffont, 20, 300, 300, $fuzz);
$pdf->close;
system $target $pdfdoc; }

exit;