Metagoofil is an information gathering tool designed for extracting the Meta-Data of public documents (pdf,doc,xls,ppt,etc) available on target/victim websites. It will generate a html page with the results of the Meta-Data extracted, plus a list of potential usernames.
You can download it from the following link: https://packetstormsecurity.com/files/download/65703/metagoofil-1.4.tar.gz
Source: https://packetstormsecurity.com/files/65703/metagoofil-1.4.tar.gz.html