Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cfd8ba117173612…

MALICIOUS

PDF

12.6 KB
MD5: 5c2c39d4e8dd94225d651740d5b236e0 SHA-1: c6814b170fb103edbabc2d6a8232e94c2b45900b SHA-256: 4cfd8ba117173612abebb39c08e54b5a7d4f6ff37b2bbd28804f3ce36a094b1a
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms the malicious nature of the file, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a secondary 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
7ff6bc54244ebc45039ce433328b9134993f1342f00c731471a2e9af6c777fe1		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11837 bytes

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