PDF malware analysis — malicious · ae5002ac54cfa0a2

MALICIOUS

PDF

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

MD5: 5ac22a6b118e88e589ee2cee4ba9a404 SHA-1: dae53fb36a34da733bcf78b57a7fbadb3407621b SHA-256: ae5002ac54cfa0a24ff49e35b67f89e4e3012a1e0343a2c49703a1542007d3fc

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of an eval() call within the JavaScript stream (PDF_EVAL) suggests code obfuscation and dynamic execution. The PDF_LAUNCH heuristic further points to an attempt to execute an external action, likely involving the extracted JavaScript file. The overall pattern suggests a malicious document designed to download and execute a secondary payload.

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` `1f10af52f51a93e3fb40466647cd2a054f87a1087d140be44a9e1c1354d8e933`	pdf-javascript-stream	PDF /JS object 27 at offset 0x1C1B	3311 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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