Malicious PDF — malware analysis report

Static analysis result for SHA-256 45033db134a758b7…

MALICIOUS

PDF

12.6 KB
MD5: baf80764315770e6a8ceac662b189b4c SHA-1: 86bd0d8670ef0edeac6afec3e12e2dff8c5bb875 SHA-256: 45033db134a758b73d8f35ad406a78a860e9e784d394cb86ce1668316c032db9
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36723', and an ML classifier indicating a high probability of maliciousness. The presence of embedded JavaScript actions and streams strongly suggests an exploit attempt 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
7c4ca32ea560ae060c664db59608df5051082bff44273e064bebec71c1ab8d85		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11775 bytes

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