Fortinet says the May 2026 Ousaban campaign uses PDF lures, geofencing, and steganography to target Windows banking users.
Securonix says PureLogs infection starts with a fake PDF JavaScript file and uses PowerShell, fileless .NET loading, and LOLBins.
A fileless malware framework has been abusing Google's Blogspot platform to deliver the PureLog Stealer entirely in memory, letting attackers steal credentials while leaving few traces on disk.