Malicious PDF — malware analysis report

Static analysis result for SHA-256 b50eea97f43fdaf6…

MALICIOUS

PDF

3.2 KB
MD5: 98cc3dc8867a3debe2640e6725cd0e29 SHA-1: 669449c9f7598a120c7560988e58f14fcf5178dd SHA-256: b50eea97f43fdaf65e47d7083c719e061b67db8727dc5b5a18b2848a009c37a8
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, which is a common technique for PDF-based malware delivery.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
4fa7d86edb81ad4117e97c08c65e3bb05c0ceaaa8bdbdb91a2cd1bba68eff24b		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 490 bytes

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