The FIFA World Cup 2014 begings June 12 and enthusiasm about the event has shown itself in increased traffic to different sport websites around the world. With more people visiting certain websites, you can bet that malicious individuals will look to take advantage. Traffic can easily translate to money, and we've discovered a malicious advertising banner hoping to cash-in on increased traffic to a sports website that's popular in Brazil.
Just about a month ago Kaspersky reported an exploit that was abusing a zero-day in Adobe Flash Player (CVE-2014-0515). We recently observed the use of this zero-day in attempts to deliver malware to our customers. After some further analysis, we came across the malicious advertisement (malvertising) on the website.