A recent cyber campaign against professionals working on inter-Korean issues shows that North Korean hackers continue to tailor their malware for highly specific targets, cybersecurity experts told NK News on Tuesday. 

Using malicious PDF documents purporting to offer information on inter-Korean topics, the DPRK-linked Kimsuky group specifically targeted professionals using an older version of Adobe’s Acrobat DC software, cybersecurity firm AhnLab warned in a recent report.

Senior security researcher Seongsu Park at cybersecurity firm Kaspersky said the incident shows how aggressively this group adopts new techniques. 

“The Kimsuky group tends to deliver their malware using malicious Office documents and