Malicious PDF — malware analysis report

Static analysis result for SHA-256 a81ea828e42d1e41…

MALICIOUS

PDF

12.4 KB
MD5: f106a5049ca180579b5706776e8469d0 SHA-1: f930d65a697d37eb5ce5fa267d3d5d8a15af2897 SHA-256: a81ea828e42d1e41e3f3c3e8475613a9fb3023c47c78836f8dea0ab612cd9406
106 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Exploit.Agent-36723 and flagged as malicious by an ML classifier with high confidence. Embedded JavaScript actions and streams indicate the likely execution of exploit code to download and execute a secondary payload.

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
2c753f1e9f70b96e55c6818598cf13aa16e36d6dd8bc80c40391ef271790f0c6		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11557 bytes

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