#pdf CTF challenges

5 CTF challenges using pdf from 5 CTFs (2014–2026), 4 with writeups. Mostly Forensics (60%) and Misc (20%).

Forensics · 3 Misc · 1 Pwn · 1

Often combined with

#base32 1 #image-reconstruction 1 #png-ihdr-repair 1 #image-rotation 1 #poppler 1 #heap-overflow 1 #stack-pivot 1 #cet 1 #hidden-text 1 #incremental-update 1

Challenges

Filter and sort these in the challenge browser →