And the second site is https://dlscrib.com
Procedure similar to what @w3Abhishek described.
How to download pdf from scribd.com or scribed.com 
Step 1:- Copy the url of the pdf [ONLY DOCUMENTS they support, no audiobooks or books]
Step 2: Go to https://dlscrib.com
Step 3:- Enter Url & click Download. 
Note: Sometimes their server are overloaded. it may takes longer time than normal to resolve the document.
So bookmark the page url and visit later, if you not in hurry.
!