Malicious PDF — malware analysis report

Static analysis result for SHA-256 982788dff009d4d0…

MALICIOUS

PDF

12.0 KB
MD5: b22f3d02de054c0dbf4e234c9c3eba8b SHA-1: c8b81747606423ba15ca29ca729aef8c3a83daa0 SHA-256: 982788dff009d4d05cfea8f1ec6990c7781e151e0f56ac74284453b94051b5dd
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious JavaScript

The file is a PDF containing embedded JavaScript, flagged by multiple heuristics and a machine learning classifier as malicious. ClamAV identifies it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for executing malicious code or exploiting vulnerabilities within the PDF reader.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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
caf2e6673dbd4922415d4c6618c55be011a9c0bfdb32f6591c6edded3bcc9046		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11152 bytes

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