Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f9a82713cd91781…

MALICIOUS

PDF

14.5 KB Created: 2010-04-08 22:32:25
MD5: 50af2e24e0acc876456986e1411ceafa SHA-1: d96fdec4c1d99aa51715d923ca3e113e7ce55e4b SHA-256: 3f9a82713cd91781beef619f70040838f049eeab2e19da6076721cddd4751af1
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV identified the file as Pdf.Dropper.Agent-7253387-0, suggesting it acts as a dropper for other malicious content. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, although the exact mechanism is not fully detailed in the provided evidence.

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7253387-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7253387-0
  • 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_obj0026_000.js
2bd46cbb27da35fa63752411c49708793cf9f148cfe3b5610e0cf433331dd5ca		 pdf-javascript-stream PDF /JS object 26 at offset 0x2EFE 43585 bytes

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