Operation HollowQuill – Weaponized PDFs Deliver a Cobalt Strike Malware Into Gov & Military Networks

In a recent revelation by SEQRITE Labs, a highly sophisticated cyber-espionage campaign, dubbed Operation HollowQuill, has been uncovered. The operation targets academic, governmental, and defense-related networks in Russia using weaponized decoy PDFs to deliver Cobalt Strike malware implants. The campaign appears to focus on infiltrating critical institutions such as the Baltic State Technical University (BSTU […]

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