Malicious PDF — malware analysis report

Static analysis result for SHA-256 28e8c019c44fda7e…

MALICIOUS

PDF

12.3 KB
MD5: 67e38a87a5bdd7c1b4fcb3e2c48e9fb9 SHA-1: 8c9916a00c7bae321cc82b108dcade0acdd71e33 SHA-256: 28e8c019c44fda7e1bb2421831b99cd787d9da8d5600e15524d6ca67c73bf6e5
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Win.Trojan.Agent-36281 confirms its malicious nature. The embedded JavaScript is likely designed to perform malicious actions, such as downloading and executing 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
c92b127f562f2a42e3985640a2eeb5345e289232f19e0a236b664b86ad0fd187		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11539 bytes

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