Remove more security options from PDF file: Remove metadata, Remove javascript actions, Remove embedded thumbnails, Remove all comments, Remove embedded file, Remove bookmarks, Remove private data, Remove named destination, Remove all form actions, Remove digital signatures, Recompress data streams.
PDF Password Cracker can help you
Drag and dropPDF files.
Recovers user password required toopen the file.
Program automatically saves password search state and can resume after a stop or a crash.
Brute-Force, or Dictionary attacks are used to recover the password.
Patterns can be used to minimize search time if any part of the password is known.