Pawn Storm is an active and aggressive espionage actor group that has been operating since 2004. The group uses different methods and strategies to gain information from their targets, which are covered in our latest research. However, they are particularly known for dangerous credential phishing campaigns. 

http://blog.trendmicro.com/trendlabs-security-intelligence/pawn-storm-abuses-open-authentication-advanced-social-engineering-attacks/