Malicious PDF — malware analysis report

Static analysis result for SHA-256 e18715a7e7ea56bf…

MALICIOUS

PDF

6.7 KB Created: 2010-09-01 09:19:50 Authoring application: Coqilzd (via 4ce61Vezipovade)
MD5: 6de9b3afa97fb6d9e4066e3e623544b4 SHA-1: d0590644891de42cc55756559a1a5f9de2bb5696 SHA-256: e18715a7e7ea56bfb04bf1215921eb72ed16a0eb909d86218ce4e8ca4aff9803
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection for 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent. The embedded JavaScript is likely used to download and execute a second-stage payload, a common technique for initial access. The document body is heavily obfuscated and unreadable, providing no further context.

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
079179f2b5d2111982b6d25d3e16180f95f8876fd2c529b41f4158f5012771c5		 pdf-javascript-stream PDF /JS object 11 at offset 0x121D 1942 bytes

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