Malicious PDF — malware analysis report

Static analysis result for SHA-256 86ea1dc30276bea3…

MALICIOUS

PDF

12.4 KB
MD5: 94254866570f54eb9a53aab41661dbaa SHA-1: a914319492712b5cbaf2586e57de7033e1f731d0 SHA-256: 86ea1dc30276bea3eae2c9b4052019d93b807cab9fcac09ee371c8bd4c5a018f
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 and the presence of a large JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is the likely mechanism for delivering a secondary payload, which is a common attack pattern for such documents.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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
a353147c90dd25f907b0d4740647dd9c5e2cc72c1b85eecc958c06b7bf178acb		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11647 bytes

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