Forum Discussion
MaryDoe
Aug 30, 2024Copper Contributor
Is it possible to crack PDF password?
Hi, all, I have encountered a difficult problem. Recently, I have a PDF file on hand, the content in it is very important to me, but unfortunately the file is password-protected, and I can't remember...
- Aug 30, 2024
I recently encountered a similar problem. I forgot the password of an important PDF file. I was really anxious. I tried many methods on the Internet, but none of them worked. Later, I found a tool called iSeePasword Dr.PDF, which is very easy to use. It only took 2 hours and it actually recovered my 6-digit password without affecting the file content.
I recommend it to you! I hope it can help you!
https://www.engadgot.com/how-to-recover-pdf-password
BenjaminMiller
Sep 29, 2024Copper Contributor
MaryDoe PDF password cracking possibilities:
- Brute force attacks: Can be used to try all possible password combinations. The time required depends on the strength of the password and the encryption type.
- Dictionary attacks: If the password is weak or common, it can be cracked quickly by trying a list of known passwords.
- GPU-based cracking: Tools leveraging GPU power can crack weaker encryption (like RC4-40 bit) very quickly, but stronger encryption (like AES-256) is resistant unless the password is weak.
Once you decide a password attack type, then you can use a professional PDF password cracker software to help you retrieve the forgotten or lost password from PDF file.