Crack a PDF with Hashcat

Hashcat can be used to discover file passwords. Very useful for CTFs, Hack The Box, TryHackMe and other platforms.
// Disclaimer //
Hacking without permission is illegal. This channel is strictly educational for learning about cyber-security in the areas of ethical hacking and penetration testing so that we can protect ourselves against the real hackers.

[@kentharris7427]

Thank you for the video. the hardest part was figuring out the hash mode since the 4*4*128 didn't match anything. So I tried all the PDF hashes until the error code went away, hash mode 10500. The second hardest part was figuring out the password format. Once I figured that out it took less then a second to crack the 4 digit password. I can lease an NVIDIA 4090 rig through "Vast ai" for as little as 50 cents per hour and will do close to 2 million hashes per second!

[@iShowGaming02]

what error code did u have btw?

[@bikeboys1738]

when i try to do it it says that its exhausted what does that mean

[@JohnathanKulusich]

Im used to Debian, but lost a password and trying to recover it. I set up a VM with Kali and using it for the first time just for this. It didn't install anything named 2john. What should I be looking for to get 2john?

[@JohnathanKulusich]

@@Flyretek1 Thanks. I did end up figuring it out. Didn't find the password. Gave up after trying to match the hash for three days, but I did figure out the software. Thanks again

[@user-mo5wt4ue2r]

I came across a file that doesn't break :)

[@kishandelvadiya3641]

worth cracking, to see uncover him ;p