Malicious PDF — malware analysis report

Static analysis result for SHA-256 ceb971cbfa01ce2e…

MALICIOUS

PDF

12.4 KB
MD5: c26fa9e48258f9347128966be6b1ffb2 SHA-1: 72fa379fd113073672d3df0a5a9046082432fd01 SHA-256: ceb971cbfa01ce2e3008b9e11353779773ecf95b6e72a99c4bf333b39396044b
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF file was flagged as malicious by multiple heuristics, including a high-severity ML classifier and ClamAV detection identifying it as Win.Trojan.Agent-36281. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be leveraging JavaScript within the PDF to exploit vulnerabilities or deliver a secondary payload.

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
b0f54cdeb647442d8e388e0615a13251dece50ed6062e317df900cf0e1333b7a		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11546 bytes

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