Malicious PDF — malware analysis report

Static analysis result for SHA-256 39fa194f9cb21859…

MALICIOUS

PDF

12.5 KB
MD5: 3a5e1d8250d37e5032df9644eba4e1ab SHA-1: 815bbecf05080be7b118a6596cf61b41860e1b24 SHA-256: 39fa194f9cb21859376ca1c0be42374908ff57a6612d121cded4e2a806e4c811
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV also detected the file as Win.Trojan.Agent-36281. The embedded JavaScript is likely intended to perform malicious actions, such as downloading and executing a secondary payload, although the specific actions are not detailed due to the lack of script content.

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
c7b5c9cf94bd4a71669442e4739b39dca6126abe352408df1d5a70439b30ca73		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11680 bytes

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