PDF malware analysis — malicious · 94b07b26cab04858

MALICIOUS

PDF

2.4 KB

MD5: a65ccd4f2a84a2f3c6d45d42292454b1 SHA-1: 7f3383bc9a98c3d5c70e3aae50194dde09b4d8a5 SHA-256: 94b07b26cab0485895bcc59a779454c6a191a7c614e3242253faf01f2d6b3402

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The presence of an eval() call and a specific exploit signature for CVE-2009-4324 (media.newPlayer) strongly suggests that the JavaScript is intended to exploit a vulnerability within Adobe Reader. The extracted JavaScript, though obfuscated, likely facilitates the execution of malicious code, potentially leading to further payload delivery or system compromise. No specific malware family could be identified.

Heuristics 5

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.
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `9fb64b506a52f9f45d24dbfdb0fc4455d87f0571cf54d31e2fa200294b254625`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	1921 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj0005_001.js` `a4a39a95112adeb7becbe348ae769bf8a4316eb18c0ca19b042a5144275ca0a0`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	42 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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