Malicious PDF — malware analysis report

Static analysis result for SHA-256 5744ab441f5269f9…

MALICIOUS

PDF

6.7 KB Created: 2010-09-03 08:30:37 Authoring application: Xijokanilohova (via 9c499Kmgxaloxaxgi)
MD5: 560e2359df9b229a21d5b54359415d4d SHA-1: 00929367419ea3d53b6a99b1dba2c230858f8f60 SHA-256: 5744ab441f5269f979b28cb46fbcf2619e69a2e19e91bec87e6cb9403bb561b1
76 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV for obfuscated JavaScript, indicating a malicious intent. The presence of JavaScript actions and embedded JS streams suggests the file is designed to execute code. The obfuscation makes it difficult to determine the exact payload, but the overall pattern points to a malicious document.

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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