PDF malware analysis — malicious · 5d9738049352b7ab

MALICIOUS

PDF

6.5 KB Authoring application: Ghamariqegi (via 2ca72Pizoxuafocebi)

MD5: 4d4314564bbcc303ca4f805ce95f47c5 SHA-1: f8363fac48be1c573c822b508251f5e258f0cdea SHA-256: 5d9738049352b7abb3b768744595641006bcfc6a53b04c09d4574d25b107b357

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains obfuscated JavaScript, flagged by multiple heuristics and a machine learning classifier. The script attempts to decode and execute a payload, likely from a URL embedded within its obfuscated strings. The specific payload URL could not be fully reconstructed due to truncation, but the intent to download and execute is clear.

Machine Learning

Nyx PDF Classifier malicious score 0.9991

Heuristics 4

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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0010_000.js` `2c5522e807b63b772d04981ce7060edb9be4bf1d8e75e0273768f249d0a5dae4`	pdf-javascript-stream	PDF /JS object 10 at offset 0x11BD	1914 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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