Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef3e07c99d0c62d1…

MALICIOUS

PDF

12.2 KB
MD5: 553fa108b007e2be6705069dd928b6f6 SHA-1: bc73d579f7248d25ff3a6195caef66e72a038451 SHA-256: ef3e07c99d0c62d12f5bd4602b6739aa68355d07bffe466573f716079e2db4c8
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript

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 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
b6e3c178f2a125522e398c9bb0641b5724e3a29c18bbcb12b8927ea4fa56eb79		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11436 bytes

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