Malwarebytes warns of a new variant of the MacOS OceanLotus backdoor is using an innovative technique to avoid detection. Bad actors used UNICODE characters that looked like English characters to fool unsuspecting victims to run malicious websites. In this attack, the victim receives the file L Thu H (HAEDC).pdf which looks like a benign PDF document but MacOS knows better because the internal structure of files with known document file extensions gives it away as an application that could contain malware.”]
Source: http://securityaffairs.co/wordpress/66634/malware/oceanlotus-macos-backdoor.html