Malicious PDF — malware analysis report

Static analysis result for SHA-256 22be39d953bc6da2…

MALICIOUS

PDF

16.0 KB
MD5: 3af2d1a92d70e647c876ae9197c62255 SHA-1: 0a31e3c2f1e1e9dace062eb55db5d1568abad96b SHA-256: 22be39d953bc6da2a2aa47cfe89dd9cdb30ed38bdccb80ada713fa166e29aad7
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a large JS stream. ClamAV detection as 'Pdf.Exploit.Agent-36324' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is the likely mechanism for executing a malicious payload, such as downloading further stages.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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_obj0076_000.js
56392a6db2373a80c958e6f3060a10a523b7b405c5a9917d2c0c85d3d588ddb6		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15489 bytes

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