PDF / .SWA malware analysis — malicious · af4a5af23a253aec

MALICIOUS

PDF / .SWA

6.5 KB Authoring application: Ghamariqegi (via a8023Pizoxuafocebi)

MD5: f1a21a7fe5327ea834b58bf7c36fc4f8 SHA-1: 6a7592f645a0a62ff600025352fe0695e757a4b2 SHA-256: af4a5af23a253aec51e971da11a079a5f7d23853acacd182f659c1a03299d617

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded JavaScript, specifically a stream identified as 'javascript_obj0010_000.js', suggests an attempt to execute malicious code. The ML classifier's output of 0.999110 strongly supports the malicious verdict. The primary attack vector appears to be a malicious PDF leveraging JavaScript for exploitation.

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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