Malicious PDF — malware analysis report

Static analysis result for SHA-256 57246bd11eb427f7…

MALICIOUS

PDF

12.6 KB
MD5: 908b54956bf566ae303cd95bb0456880 SHA-1: 686e9e02a1e78bbe767c08cdb89681f5d30987b3 SHA-256: 57246bd11eb427f78e1bbef9ab8d2b8e77c94e850b56f4578f9f9aa1b7f0d989
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 functionality, 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
8ed0e049121829b98e16a615dfc8cb990ca8a5229dd71633d9f4c6444c3b423b		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11783 bytes

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