PDF malware analysis — malicious · d7b180d052f80ee4

MALICIOUS

PDF

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

MD5: 7b8f1a8853e5e3263bc0ed407652e228 SHA-1: 37ee788e16aed8b622599dfe13098d4d89b5b395 SHA-256: d7b180d052f80ee41997ddff3f27f2ffef243929ba7b1d458048da5c54db88f1

98 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF document contains embedded JavaScript that utilizes an eval() call, indicating an attempt to execute arbitrary code. The JavaScript is obfuscated, and the PDF also contains a launch action, suggesting it is designed to download and execute a second-stage payload. The heuristics indicate script obfuscation and the presence of JavaScript, supporting this assessment.

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` `1b4954ef8fc5ea96d0717f28ff5620274d988bb724d7525bd419546dcccec47b`	pdf-javascript-stream	PDF /JS object 27 at offset 0x1C1B	3327 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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