Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3a719728b6cdea8…

MALICIOUS

PDF

16.0 KB
MD5: 0df9ec3e86e7eb44c201355dcada3bde SHA-1: 02bead35294d1995d641bac8da8663d8a5c45596 SHA-256: f3a719728b6cdea888fd6dd8c174099875ad588d99551f8d40c148189507ae2b
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by ClamAV as Pdf.Exploit.Agent-36324 and a machine learning classifier assigned a high probability of maliciousness. Embedded JavaScript actions and streams indicate the PDF is designed to execute code, likely to download and execute a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
ee34dfed33c4ac70566815ec647e6e4b508e26dda5d0a798f33ece1940c12e42		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15470 bytes

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