The PDF spec is rather long but the basic format is simple enough. Check out http://yob.id.au/2009/11/12/intro-to-the-pdf-file-structure.html http://yob.id.au/2

The PDF spec is rather long but the basic format is simple enough. Check out http://yob.id.au/2009/11/12/intro-to-the-pdf-file-structure.html http://yob.id.au/2009/11/12/intro-to-the-pdf-file-structure.... for a short intro.