问题
I've been wanting to see the insides of a PDF for a while, like, the raw source code of it so I can look at it. Any way of doing that?
回答1:
Use a Hex editor. Of course, unless you know the PDF specification (PDF, 8.6 MB), you won't recognize much.
来源：https://stackoverflow.com/questions/6562235/how-to-open-pdf-raw