Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd76e938a8ac6095…

MALICIOUS

PDF

3.2 KB
MD5: 106d463dd42487206edfdd95564d4200 SHA-1: de779933be766d6061166603ca48bc7e4105d318 SHA-256: cd76e938a8ac6095737bf109c9566e760babc27eaa9ebd3f554b21ad421120dc
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected this file as 'Pdf.Exploit.Agent-36121', suggesting it exploits a known vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence.

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
f4f89ba1da261fe0b2b310fd71b6f64be146f976d52f763dd3d58628a64ce563		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C7 458 bytes

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