PDF malware analysis — malicious · c6c3bddacffbcac0

MALICIOUS

PDF

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

MD5: 62a7a8c8f8235a250b37711d5309e76d SHA-1: 3b19a636e90422900d2458d30555a1e0cdb470d2 SHA-256: c6c3bddacffbcac0a11c10d9fc9597826cf2d262231fff0fb3d63387d6012ce6

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The PDF_LAUNCH heuristic suggests an attempt to execute an action, and the PDF_EVAL heuristic confirms the use of eval(), which is often used to deobfuscate and execute malicious code. The embedded JavaScript file, javascript_obj0027_000.js, was flagged for script obfuscation indicators. The primary intent appears to be the execution of this script, likely to download and execute a second-stage payload, though the exact mechanism is obfuscated.

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` `ccef71952fc87c8282bc42a45190ccadf416232eae53a0ad84f48634c2428aac`	pdf-javascript-stream	PDF /JS object 27 at offset 0x1C1B	3306 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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