PDF malware analysis — malicious · 3cc8a05edf2f5fb0

MALICIOUS

PDF

9.6 KB Created: 2009-02-19 14:45:49 -02:00 Authoring application: Writer (via OpenOffice.org 3.0)

MD5: 66f24cef471f1c2fad793d949617b0aa SHA-1: 1b1ab4ab9dccd267bf9b29b84576466ab4e2748b SHA-256: 3cc8a05edf2f5fb0ebc1921b31d4d8dec6767b8da75903490e37b57080960e24

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT, PDF_JS, and PDF_EVAL. The PDF_LAUNCH heuristic suggests an attempt to execute an external action. The embedded JavaScript stream, named javascript_obj0027_000.js, likely contains obfuscated code that uses eval() to execute arbitrary commands, a common technique for downloading and running second-stage payloads. The document body is heavily corrupted and unreadable, providing no further context.

Heuristics 5

Launch action high PDF_LAUNCH

PDF contains a /Launch action with an unresolved or extension-less target — treat as potentially dangerous
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_obj0027_000.js` `2b0d073674eed9ec8d262ca5633314ab8ab4b88df46e63a1523ccd02588df74f`	pdf-javascript-stream	PDF /JS object 27 at offset 0x1C1B	3307 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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