Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9edbe02287dd180…

MALICIOUS

PDF

7.1 KB Authoring application: Wezolokofecpo (via 76babNworeticakebi)
MD5: 70eb60c0d2dd9da5ccaa94b1c8e26743 SHA-1: b8cb0f919d2197104c03d7e5383e20d6bca6d7e7 SHA-256: e9edbe02287dd180b6a3f630846d24a624e44105c6a01bff56ab1d58b74404fc
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection of 'Heuristics.PDF.ObfuscatedNameObject' further suggests malicious intent through obfuscation. The embedded JavaScript is likely designed to download and execute a second-stage payload, a common technique for malware delivery.

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
437a5d40b54247c17dfb3ac60e39d3ecfad672a269694af1851a077d9726a8d2
pdf-javascript-stream PDF /JS object 11 at offset 0x1342 2272 bytes