The clients of the Brazilian financial institutions have been hit by a banking trojan embedded in RTF file and spread through a spam campaign. Kaspersky security experts have spotted a spam mail campaign against the customers of Brazilian banks. The banking malware that hit Brazilian banks seems to have Indian origin, the choice of.RTF file format as the attack is not casual, it allows to embed a file objects, including. executable file. The cybercriminals behind the spam campaign against Brazilian banking have exploited this feature to embed the malware file in the document.”]
Source: http://securityaffairs.co/wordpress/19623/cyber-crime/brazilian-banking-trojan.html