Malicious PDF — malware analysis report

Static analysis result for SHA-256 90421a80e7337c2e…

MALICIOUS

PDF

12.5 KB
MD5: 5783e75a14ef9184b69746d3cf3f9503 SHA-1: 5667861911b6bcf731c526ace91acf680b9468bb SHA-256: 90421a80e7337c2e330a1c9e61de7ced6b6070ae42ae0be7bd5588e310b37bdb
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 Win.Trojan.Agent-36281 strongly suggests malicious intent. The embedded JavaScript is likely designed to exploit vulnerabilities within the PDF reader or download a secondary payload, aligning with common attack patterns for malicious PDFs.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36281
  • 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_obj0076_000.js
77d940a7bb26139d35cb055e6cb4e395e8d47899867c6916a4ac2bc145dac1a0		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11707 bytes

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