PDFCrack

PDFCrack – A Password Recovery Tool for PDF-files

About PDFCrack

PDFCrack is a GNU/Linux (other POSIX-compatible systems should work too) tool for recovering passwords and content from PDF-files. It is small, command line driven without external dependencies. The application is Open Source (GPL).

Features

• Supports the standard security handler (revision 2, 3 , 4 and 5) on all known PDF-versions
• Supports cracking both owner and user passwords
• Both wordlists and brute forcing the password is supported
• Simple permutations (currently only trying first character as Upper Case)
• Save/Load a running job
• Simple benchmarking
• Optimized search for owner-password when user-password is known

Sept 8, 2020

update

for the last version, please visit pdfcrack@github.com

add macOS release.

• pdfcrack-v0.19-drawin-amd64.zip
• pdfcrack-v0.19-windows-amd64.zip
• Source code
• pdfcrack-0.13-win32(47k)
• Download(pdfcrack-0.11.zip, 630k)

for source code or other platform version , please visit Pdfcrack Project Page.

this one can get password only, if you want to remove password from PDF document, please use PdfCrypt , qpdf, or mupdf。

P.S.

Here is a Japanese tutorial,

Windows上でもPDFファイルのパスワードを総当たりで解析できるフリーソフト「PDFCrack」

Donations are welcome,