Malicious PDF — malware analysis report

Static analysis result for SHA-256 e949bc228fc0e407…

MALICIOUS

PDF

12.3 KB
MD5: c703b33fecf9dcc3935fb67a5939eedc SHA-1: 9ba9e0b3d7ddd9f20905fe6cdb2435585a5ed892 SHA-256: e949bc228fc0e407c5b831e1912d58e765cc34df924b815371827f994dcb8c36
106 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection as 'Pdf.Exploit.Agent-36723'. The presence of embedded JavaScript further indicates malicious intent, likely to exploit a PDF vulnerability and download a secondary payload. The exact exploit and payload are not detailed in the provided evidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
be367af2bc0ce9c6e7e75a41ee1d86adc324ad290cd15db4a028e7f1e73ded41		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11471 bytes

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