Malicious PDF — malware analysis report

Static analysis result for SHA-256 37bc90f2f97469a1…

MALICIOUS

PDF

12.5 KB
MD5: 7ba50acfe4ec035f6701c9d4322cdcaa SHA-1: 4bb97ba0ce698712224f26f9c44d5fb4d80a6955 SHA-256: 37bc90f2f97469a154e79ae5a03d3e5aa9c13bb926b43727287e0c3919d2261d
76 Risk Score

Malware Insights

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV also detected the file as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for executing malicious actions, such as downloading a second-stage payload.

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
182b30234d8f900ee79a7ddb02e35780f3027d36321141b8973d4a12e40536b4		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11676 bytes

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