Malicious PDF — malware analysis report

Static analysis result for SHA-256 d11585580db329ad…

MALICIOUS

PDF

6.7 KB Created: 2010-09-03 08:30:37 Authoring application: Xijokanilohova (via 7c42fKmgxaloxaxgi)
MD5: 42d5fba1167b7d7e0a820b30bdc2b9ba SHA-1: c942eec1ade32382808be1476d14081cb576141f SHA-256: d11585580db329ad53eb3e65f3e3814a90dd03399b0049eb7d91e0653683ca8b
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains an embedded JavaScript object, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The JavaScript is likely responsible for executing a secondary payload, though its exact function is obscured. The file's metadata indicates it was authored by 'Xijokanilohova', which may be a clue to the actor.

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_obj0011_000.js
d75aba2bc241d027161697fa7aada0bf45c7afe5b58fce1bb0bf66350349f123		 pdf-javascript-stream PDF /JS object 11 at offset 0x1208 1983 bytes

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