Malicious PDF — malware analysis report

Static analysis result for SHA-256 89f631185c394d9e…

MALICIOUS

PDF

3.3 KB
MD5: c86b7a63e60738426cf641eaaebc6661 SHA-1: 439622e3f17fc7f7d44ac5628314b54d07c7a61a SHA-256: 89f631185c394d9e8a5df1f68314a4002b03f083bfb390e60fffa0eaa297dcb6
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as Pdf.Exploit.Agent-36121, suggesting it exploits a known vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload.

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
f0d4925da462c9ed384408e54dbf2d8a34077caad81a86e6a4453c9a6bbddab3		 pdf-javascript-stream PDF /JS object 7 at offset 0xA88 410 bytes

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