PDF malware analysis — malicious · 24234661f1ca0c44

MALICIOUS

PDF

1.4 KB

MD5: 008e646d236e2e788194a892348eb17e SHA-1: b3da798cc85c824efcd6d224313bab9295886f67 SHA-256: 24234661f1ca0c44a5c1e243513bbb3c10e4ebedeaa329a1a45a4e5b95640568

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious JavaScript T1059.007 Command and Scripting Interpreter: JavaScript

The PDF file contains embedded JavaScript that leverages the CVE-2009-4324 vulnerability via the media.newPlayer object. This vulnerability allows for the execution of arbitrary JavaScript, which is likely used to download and execute a secondary payload. The presence of multiple JavaScript streams and the unescape() function indicate obfuscation techniques commonly used to hide malicious 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. (matched in decompressed stream)
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj111111_000.js` `c71d3a3d428f9eec70de42b9f3ac9b0886679317134109882b61dbb664fe73b3`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1255 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj111112_001.js` `5a1b84983b1d9e849de6a225be57b30d5f1d53062d09fd31b87a21bd6188e2c8`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x48B	247 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.