Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9cf6b0e65978c1b…

MALICIOUS

PDF

3.3 KB
MD5: 75703033556254b88e8eca2a4c226056 SHA-1: bc8b5f2c0dc7753e79dd85a259c36d7dafdfa69d SHA-256: c9cf6b0e65978c1b6e80409b28c43c6d4632293cefa908b1abf31092c01740d4
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 detection as 'Pdf.Exploit.Agent-36121' confirms malicious intent. The embedded JavaScript is likely responsible for exploiting a PDF viewer vulnerability to execute malicious code, leading to the 'malicious' verdict.

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
e7e04636ac72ec2d0c3dcdc07633f52efa85bf74544693eff889d30c12c42fc8		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 319 bytes

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