PDF malware analysis — malicious · e10a6dd8e393790f

MALICIOUS

PDF

4.7 KB Created: 2008-08-06 01:42:27 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: cca230ff2418aa26bc414e3387498680 SHA-1: 47d7db654da06894023210e94c795952979b5a17 SHA-256: e10a6dd8e393790f216f52e0e5e2b703531b891a4ef7ec6f49661a4e71b54f4a

88 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT', 'PDF_JS', and 'PDF_EVAL'. The ML classifier also flagged it as malicious with a high probability. The JavaScript stream, identified as 'javascript_obj0013_001.js', likely contains obfuscated code that attempts to execute arbitrary commands, as suggested by the 'eval()' call. The primary attack pattern involves leveraging PDF's scripting capabilities to deliver a malicious payload.

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_obj0013_001.js` `a2b5d731753077d511b9620702f35d0d3f402ac6c7629834ec0066307ec1d333`	pdf-javascript-stream	PDF /JS object 13 at offset 0x366	6317 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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