By Here we have prepared some of the best free PDF Submission sites list. You can use this list to generate backlinks for your website.
pdfsr.com
issuu.com
edocr.com
slideshare.net
slideboom.com
slideserve.com
authorstream.com
4shared.com
2shared.com
dropbox.com
jumpshare.com
Here are more lists of websites for you to create backlinks for your websites
Image Sharing Sites List
Press release Sites List
Social Bookmarking Sites List
Conclusion
Hope this free PDF submission sites list is helpful for you. If you have some website which is not mentioned in this list then share them in the comment box, we will include them in this list.
Thanks for your Very valuable information