Malicious PDF — malware analysis report

Static analysis result for SHA-256 beaba0b37e5d8996…

MALICIOUS

PDF

12.6 KB
MD5: 4df38b8c24dde5e75619f6af6194b9a0 SHA-1: 073f4679570aa96882db252e9aa92b03c1dfe7ca SHA-256: beaba0b37e5d899652eebe4faa6d985897f4b3ba7859d560a7b6c9e41e88b3df
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by multiple heuristic firings. This JavaScript is likely intended to download and execute a second-stage payload, as suggested by the ClamAV detection of Win.Trojan.Agent-36281. The embedded JavaScript is the primary mechanism for the attack.

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
f1ef88de233f080c03454902b76ee660cf36b3f0aa6fe29557a063c19792c9db		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11832 bytes

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