PDF malware analysis — malicious · df272f63aaf99152

MALICIOUS

PDF

2.5 KB

MD5: 4079b819fad04db82dbd0b7b107d17a4 SHA-1: fc5aac57790b1b46e0361df95c061841281b7c48 SHA-256: df272f63aaf991525f1436b4e0edf18ceceba451ba990b57dc6719c44c2b69b3

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, including calls to eval() and a specific exploit for CVE-2009-4324 (media.newPlayer). The JavaScript streams are obfuscated, but the presence of these elements strongly suggests an attempt to exploit a vulnerability and execute arbitrary code. The primary intent appears to be downloading and executing a second-stage payload, though the specific URL or mechanism is not directly extractable from the provided obfuscated scripts.

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` `8ca0ca2b8818f7a6fa8aa796e93c86c16f2187070d9c44d42b34e98a0712d797`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	2017 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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