Malicious PDF — malware analysis report

Static analysis result for SHA-256 831895c54157481b…

MALICIOUS

PDF

12.3 KB
MD5: 8debe7f2a4a9a576707484e8a44d298d SHA-1: 3e27d90b3dc03e8ae9319b10eb1c2280a33eaef0 SHA-256: 831895c54157481b99f6086bf22813aceb47ef988e12aee74d4a8d3f616a06a3
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms this as a malicious Trojan Agent. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • 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
61779bd4cef96d94db85ee1d5ff9420a151265671516636d07d067e914003378		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11541 bytes

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