PDF malware analysis — malicious · 532dc56ef445b149

MALICIOUS

PDF

1.3 KB

MD5: e5e9fa6014d0e4b9d0edd8e2ed44fd0b SHA-1: 7b6b309ff96e0b49406487665fc40c2c61c7d217 SHA-256: 532dc56ef445b14940e63ff4ccf3b83ebab1c15a4aeb0328110a1c92b82a1f82

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious JavaScript T1059.001 Command and Scripting Interpreter: PowerShell T1059.003 Command and Scripting Interpreter: Windows Command Shell T1059.007 Command and Scripting Interpreter: JavaScript/TypeScript

The PDF file contains embedded JavaScript, which is executed via a PDF-specific JavaScript action. The presence of a critical heuristic for CVE-2009-4324 (media.newPlayer) indicates exploitation of this vulnerability. The JavaScript itself is obfuscated, but the 'eval()' call suggests dynamic code execution. The primary intent appears to be exploiting this known vulnerability to run arbitrary code.

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` `0ba51ac6e83fe41de8cb2a2a1f2f8cfa401e603c06763c0a97a30ead25b44cee`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	771 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(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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