Convert pdf to raw Online: pdf2raw
You can use Tom's Editor to easily convert images from
Portable Document Format .PDF to RAW Dump
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.
This is just raw pixels saved in a file. Format used mostly by old games. RAW files do not have any header so if you don't know what is the original width and height of the image it might be hard to decode them.