Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0d899f78b87b202…

MALICIOUS

PDF

7.1 KB Authoring application: Wezolokofecpo (via 33288Nworeticakebi)
MD5: 834a22ee606ad7246dc2caaf36b96554 SHA-1: fc04728f670caea94206758f8bff647076dec1f4 SHA-256: f0d899f78b87b20228c28086fc94fc944938283853316baf1419c46514b47b17
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded and obfuscated JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection of 'Heuristics.PDF.ObfuscatedNameObject' further supports the malicious nature of the file. The 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

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