PDF / .SWA malware analysis — malicious · 4022ed4607d72618

MALICIOUS

PDF / .SWA

6.5 KB Authoring application: Ghamariqegi (via 43fcbPizoxuafocebi)

MD5: c8e3b4e8a4970682f23e4168ccebc923 SHA-1: bc94cc32816abb5c47b6e37e3e0cebe19ad81340 SHA-256: 4022ed4607d72618eca4ed6e28b7feb4794caf0db54b3a05b2c3555ad5ffc040

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged by ClamAV for obfuscated JavaScript, indicating a malicious intent. The embedded JavaScript stream, named 'javascript_obj0010_000.js', is the primary indicator of malicious activity. The obfuscation suggests an attempt to evade detection, likely to download and execute a secondary payload.

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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