Malicious PDF — malware analysis report

Static analysis result for SHA-256 f880f2a25208c751…

MALICIOUS

PDF

4.4 KB
MD5: 88e5fd4106d6a51e3da5f66467bf9c54 SHA-1: 6444de413305db599a45da6183b53322e3528f81 SHA-256: f880f2a25208c751f9c732591ee63389c19bc19dbf3efe971c5f293d5fc1608b
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 also detected this file as Pdf.Exploit.Agent-36898. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code. No specific IOCs were extracted from the JavaScript itself.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36898 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36898
  • 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_obj0020_000.js
7a3f13c4b1521962d0bb9589269f1bf2c26e5adc09d81718b8fd282b62ab9283		 pdf-javascript-stream PDF /JS object 20 at offset 0xDE7 268 bytes

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