Malicious PDF — malware analysis report

Static analysis result for SHA-256 105bb9f351716669…

MALICIOUS

PDF

28.0 KB
MD5: a775bf102fff1d33098b4f07289742c4 SHA-1: 74319e0bcf026cde1315f72cb5db6661dc32c8b2 SHA-256: 105bb9f3517166693e736b788baf0d9da3af04aeb7af52947b0988ef939dc467
100 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file flagged by ClamAV as Js.Exploit.HTML-30 and a machine learning classifier as malicious. It contains embedded JavaScript, indicated by the PDF_XFA heuristic and the embedded URL. This JavaScript is likely used to exploit a vulnerability in PDF viewers, leading to the execution of malicious code.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.xfa.org/schema/xfa-template/2.5/

Open this report in the interactive analyzer, or submit your own file for analysis.