PDF / .SWA malware analysis — malicious · 62196bf024003e2b

MALICIOUS

PDF / .SWA

6.5 KB Authoring application: Ghamariqegi (via a2404Pizoxuafocebi)

MD5: 6b572312608ed558c741dcc7e6c993e7 SHA-1: 516bacae85ff1237f5d32827d3d1b75899b73e68 SHA-256: 62196bf024003e2bf7f6357e4983358e94f5abec6e244b8efd25c80907999de0

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains obfuscated JavaScript, flagged by multiple heuristics including ML_NYX_PDF_MALICIOUS and ClamAV. The JavaScript attempts to download and execute a payload from a URL, indicated by the reconstructed string '_KB="\\x48\\x54\\x54\\x50\\x3a\\x2f\\x2f\\x77\\x77\\x77\\x2e\\x65\\x78\\x61\\x6d\\x70\\x6c\\x65\\x2e\\x63\\x6f\\x6d\\x2f\\x70\\x61\\x79\\x6c\\x6f\\x61\\x64\\x2e\\x65\\x78\\x65"'. This indicates a downloader or droppper functionality, typical of initial stages of malware infection.

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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