Malicious PDF — malware analysis report

Static analysis result for SHA-256 413337993e5da7f1…

MALICIOUS

PDF

16.0 KB
MD5: 17a84ddc81545f72dc78e6381351bf3a SHA-1: 13e0c12ddac31c0f4295b639597054f88bd6d691 SHA-256: 413337993e5da7f1f9ada8e380e41c50a6c4a76841b67ee0be21068a0dc2bb67
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36324' and a high ML score. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities to download and execute further malicious content. The embedded JavaScript is the primary mechanism for the attack.

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
9f7583bc5d633e9d513725cb4aac8896885192cba07a4d62892101593f35aff7		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15469 bytes

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