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PDF Crack
Home Page: http://sourceforge.net/projects/pdfcrack/
License: GNU General Public License v2.0
This project forked from robins/pdfcrack
PDF Crack
Home Page: http://sourceforge.net/projects/pdfcrack/
License: GNU General Public License v2.0
Code and documentation are copyright 2006-2008 Henning Norén Parts of pdfcrack.c and md5.c is derived/copied/inspired from xpdf/poppler and are copyright 1995-2006 Glyph & Cog, LLC. The PDF data structures, operators, and specification are copyright 1985-2006 Adobe Systems Inc. Project page: http://sourceforge.net/projects/pdfcrack/ pdfcrack is a simple tool for recovering passwords from pdf-documents. It should be able to handle all pdfs that uses the standard security handler but the pdf-parsing routines are a bit of a quick hack so you might stumble across some pdfs where the parser needs to be fixed to handle. Type 'make' (or 'gmake' if you have BSD-make as default) to build the program. You will need to have GNU Make and a recent version of GCC installed but there are no external dependencies on libraries. You will have to add the -march-switch in the CFLAGS-option in Makefile for best optimization on your platform. Look into the GCC-manual (http://gcc.gnu.org/onlinedocs/) if you are unsure. The program is distributed under GPL version 2 (or later). Features available in this release (check TODO for features that might come): * Both owner- and user-passwords with the Standard Security Handler, rev 2 & 3. * Search by wordlist * Search by bruteforcing with specific charset * Optimized search for owner-password when user-password is known (or empty) * Extremely simple permutations of passwords (makes first letter uppercase) - currently only useful for bruteforcing with charsets: * Auto-save when interrupted (Ctrl-C or send SIGINT to the process) * Loading saved state - currently only for bruteforcing with charsets: * Minimum length of password to start at * Maximum length of password to try Sort your wordlist by length for best performance and consider that almost all passwords in PDFs are in iso latin 1 so use the correct character encoding in your terminal and/or wordlist when using special characters. This tool can not decrypt a Password Protected PDF. Look up the pdftk toolkit which can do that, when you know the password.
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