There is no magic fairy dust protecting Macs - Dai Zovi, security researcher and co-author of The Mac Hacker's Handbook.
The bad guys are certainly expanding their stable of advertisements.
Both lead victims to malicious quinquecahue.com URLs. More later...
There appears to be a new URL under quinquecahue.com/statsg.php
You then get redirected to scanner2.malware-scan.com
The payload is Trojan.win32 agent (variant of)