Malicious PDF — malware analysis report

Static analysis result for SHA-256 5535068b29ba08fb…

MALICIOUS

PDF

12.5 KB
MD5: 81900e0e340902b6f32faf09b5225628 SHA-1: 7190348181b9e1338fe643870d1ed3f862a4eace SHA-256: 5535068b29ba08fbcf8273a7d1aab3ca2cf2aa5375ea34a5739648d34fba8ded
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection confirms the malicious nature of the file, identifying it as Win.Trojan.Agent-36281. The embedded JavaScript is likely responsible for the malicious payload execution, although its specific actions are not detailed in the provided evidence.

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
67e9633398c09e0e5af5c31ba8aee732d0c05ed85579bc2ac3ee5c93cd888691		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11651 bytes

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