Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fac4e0d30e215ad…

MALICIOUS

PDF

9.8 KB
MD5: 67e462012c4ce7bc3f7a4b0a880ac155 SHA-1: 040dc567d62038e4200caf0451b4a606e63c8974 SHA-256: 9fac4e0d30e215ad22939c3eece3eb3ccb4eaa294ebf58215fa0d9b6d6a6c897
76 Risk Score

Malware Insights

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

The critical ClamAV heuristic identified the file as 'Pdf.Dropper.Agent-1828869', indicating it functions as a dropper. Low-severity heuristics confirm the presence of JavaScript within the PDF, suggesting it is used to initiate the malicious payload delivery. The embedded JavaScript stream is likely responsible for downloading and executing a second-stage payload.

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-1828869 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-1828869
  • 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_obj0069_000.js
f03ce89553df9c709ed923b2affefedecefed3889c8dce84d5219da242f39304		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 20776 bytes

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