PDF malware analysis — malicious · d5120ce0e5da7c04

MALICIOUS

PDF

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

MD5: 22cad7e20e252e6d44cb23f96e9d6bfc SHA-1: 2e49b4ef9048f57f958fbee79589d1911faa3463 SHA-256: d5120ce0e5da7c04ce721caed59c520c68c3d070d9f036d7099ccbad00fd2299

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT, PDF_JS, and PDF_EVAL. The presence of an extracted JavaScript file (javascript_obj0027_000.js) and a PDF_LAUNCH action suggests the document is designed to trigger malicious code execution. The script's obfuscation and the PDF launch action point towards a downloader or dropper functionality, aiming to fetch and execute further malicious content.

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` `92d52a3143b336f3643e3c4e13103a932fcab37fe94de5cd92ca0ca4f6538ec7`	pdf-javascript-stream	PDF /JS object 27 at offset 0x1C1B	3338 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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