Malicious PDF — malware analysis report

Static analysis result for SHA-256 942c8ea5d4f5f50a…

MALICIOUS

PDF

3.3 KB
MD5: 626dd8bd54ae0340e71016a6b6b4f294 SHA-1: 3569a4ce3b300f31e523c403c6fa1494a2cf66f7 SHA-256: 942c8ea5d4f5f50ac4a54931a22fde249fb2bc1ef939d23d4a7a4e19be1f551e
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection confirms this as a malicious PDF exploit (Pdf.Exploit.Agent-36121). The embedded JavaScript is likely responsible for executing the exploit, leading to a malicious outcome.

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
1425238c66bbe19b2a349d26f71b4852a983c4b87dc3527512a7fd3418d453ea		 pdf-javascript-stream PDF /JS object 7 at offset 0xA86 325 bytes

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