PDF malware analysis — malicious · 9469152246ee677f

MALICIOUS

PDF

7.6 KB

MD5: d9b196237862626d81215fee9213a135 SHA-1: a1ae5e72c837f521064bb1ea9b73a60f4be497df SHA-256: 9469152246ee677f2cbd496efc82f462313cbb4582ca5a31f186042d5739a696

88 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, flagged by multiple heuristics including PDF_JAVASCRIPT and PDF_JS. A high-confidence ML classifier also identified it as malicious. The JavaScript stream, named 'javascript_obj0009_000.js', contains obfuscated code with an eval() call, strongly suggesting it's designed to download and execute a secondary payload. The lack of readable document body text means the specific lure cannot be determined, but the technical indicators point to a downloader or dropper.

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_obj0009_000.js` `b6a3e591ec10e536b20ec9bd53c5091ada6bbf70ce5a169db91c9c5cc73d5485`	pdf-javascript-stream	PDF /JS object 9 at offset 0x97	25290 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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