PDF malware analysis — malicious · 9e598f757ec4df30

MALICIOUS

PDF

3.4 KB

MD5: 629f2cc2cff37c85f6cf855a6e9e636f SHA-1: 751af1bd916a858170f293fe54a9f3ff20fd1134 SHA-256: 9e598f757ec4df30ac08d5111056587cf3248ce3d6b2735fb28ad970c02c5f71

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-4324, indicating exploitation of a vulnerability related to media player objects. The presence of JavaScript and the CVE exploit strongly suggest the file is designed to execute malicious code. The ClamAV detection further supports its malicious nature. The embedded JavaScript is likely responsible for downloading and executing a secondary payload.

Heuristics 6

media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324

PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (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_obj0006_000.js` `05cb4d7dc269095f29faf2913e75f373c35c77a35ef5fe0e4294461b02063f2e`	pdf-javascript-stream	PDF /JS object 6 at offset 0x18D	2358 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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