Malicious PDF — malware analysis report

Static analysis result for SHA-256 84adac14ac571175…

MALICIOUS

PDF

3.4 KB
MD5: 41b8021f17b9484c6ebd947d4b51cd3b SHA-1: 4f304ff3f21122c6f07d5e7087c7d948987046e2 SHA-256: 84adac14ac571175fa83657ebfd6a9c7cacc907acc47b56bb4f40005befebebd
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also detected this file as Pdf.Exploit.Agent-36121. The embedded JavaScript is likely responsible for executing malicious code, potentially downloading and executing a second-stage payload. Due to the nature of the exploit and lack of specific indicators, the family is classified as unknown.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
e5b2606935a1883678b6ae9e1082c4847a5c803cecbafe0219553d02ee680e7c		 pdf-javascript-stream PDF /JS object 7 at offset 0xA97 398 bytes

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