Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8f0a575e7bee246…

MALICIOUS

PDF

3.3 KB
MD5: c78efb0894212edb69c4d1e912dcc58a SHA-1: 7defe11e53ac9a7c20d159ce08268b4c3901824e SHA-256: e8f0a575e7bee246a5a72273c7c85f6edd5faf127434ac8aa3a6746f8f2c41ec
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 'Pdf.Exploit.Agent-36121' confirms its malicious nature. The embedded JavaScript is likely responsible for executing the exploit, leading to the delivery of a secondary payload. The exact nature of the payload or its destination could not be determined due to the lack of further script content or network indicators.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
3436036fcfb4401d6391ba41c6bd4d6053cdbf8465c1e1a1fb6e83538a445b4b		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 335 bytes

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