URLSnooper is a Portable Free HTTP Sniffer which makes use of WinPcap . It can displays the traffic of a selected network adapter listing the urls, source and destination IPs and ports in a list.
So you can download the True link
For Example : Get the real url to download Google Chrome 5.0.375.55 Offline Installer
Addition Information Here
Alternative of it
Http Network Sniffer
http://www.nirsoft.net/utils/http_network_sniffer.html (Free and Portable )