PDFSIDER Discovered: New APT Malware Uses DLL Side-Loading to Evade Detection Malware PDFSIDER Discovered: New APT Malware Uses DLL Side-Loading to Evade Detection Do Son January 20, 2026 0 A new and sophisticated malware variant dubbed PDFSIDER has been unearthed by researchers at Resecurity, marking the... Read More Read more about PDFSIDER Discovered: New APT Malware Uses DLL Side-Loading to Evade Detection