Attackers spreading new malware called FormBook are singling out aerospace firms, defense contractors and some manufacturing organizations in the United States and South Korea.
According to researchers at FireEye, FormBook was spotted in several high-volume distribution campaigns targeting the U.S. with email containing malicious PDF, DOC or XLS attachments. FormBook targets in South Korea are being pelted with email containing malicious archive files (ZIP, RAR, ACE, and ISOs) with executable payloads.