PDF malware analysis — malicious · e7018c221570ec24

MALICIOUS

PDF

26.1 KB Created: 2011-72-51 03:25:00

MD5: e62f54329461fdf967727099824b9465 SHA-1: 47c58890e4c8909c9cb6a141ef29762accae5afc SHA-256: e7018c221570ec240aa54c2ad97d50d195563a017ab8590092d786a5dff883d2

90 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, which is flagged as suspicious by multiple heuristics, including a high-severity eval() call. The ML classifier strongly indicates maliciousness. The embedded JavaScript is obfuscated and likely responsible for executing a malicious payload. No specific family could be identified, but the techniques suggest a downloader or exploit delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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_obj0001_000.js` `66897702a1f742c9c49d2e76f37f799774142d721843bb02a1431812d00936c1`	pdf-javascript-stream	PDF /JS object 1 at offset 0x63A9	954 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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