Malicious PDF / .TXT — malware analysis report

Static analysis result for SHA-256 d6d40e7e69d31344…

MALICIOUS

PDF / .TXT

257 B
MD5: 728211929622c7782e8e98d0b844bbce SHA-1: 462ce391503016f5933c9c2d975d659a33b3c328 SHA-256: d6d40e7e69d313442909f8d297a4a9df2dd3a1cd16402233751f72a709245c5f
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 also flagged it as Heuristics.PDF.ObfuscatedNameObject. The embedded JavaScript stream is the primary indicator of malicious activity, suggesting it's designed to download and execute a further stage. No document body or other scripts were extracted for further analysis.

Heuristics 3

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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_obj0004_000.js
14c286ea2e57c87c5e0cac7d0218c40e740335906bbbbab08c13027466cab856		 pdf-javascript-stream PDF /JS object 4 at offset 0x78 111 bytes

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