I don’t know if this is already known but I just found this article that shines some light on the unreadable text at the end of the document.
http://www.eurogamer.net/articles/gr...doc-now-on-net
Quote from the article -
"We didn't have the last puzzle designed when I wrote that document, so I wrote two nonsense paragraphs and then overlapped them in the file so it would look like the final puzzle description was in there, but obscured by a print formatting error," writes Schafer.