PDF malware analysis — malicious · 02e9452cc00abd1e

MALICIOUS

PDF

1.4 KB

MD5: 7d9f2230f0cb3b79347f29abfc41d195 SHA-1: 2c499fdb304b0d5a9d9c5b0f118c151a8ab2be63 SHA-256: 02e9452cc00abd1e71bc0b0f0b9dc81e54b8c4e9aabd2af72bd0109689783c3e

268 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF file contains embedded JavaScript that exploits CVE-2009-4324 (media.newPlayer vulnerability). The script attempts to execute arbitrary code by leveraging this vulnerability, as indicated by multiple critical heuristic firings. The primary purpose appears to be the execution of a second-stage payload via JavaScript.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 7

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)
PDF JavaScript exploit cluster critical PDF_JS_EXPLOIT_CLUSTER

PDF combines an executable JavaScript/action surface with exploit staging indicators such as eval/unescape/fromCharCode, XFA script content, or a related CVE pattern. Benign form JavaScript remains low-severity, but this correlated cluster is high-confidence malicious behavior.
ClamAV: Pdf.Dropper.Agent-7222946-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7222946-0
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj111111_000.js` `6f34f591b7c8424267290d494cf71221315ae03ea50d71fafff558f8012cdb01`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1249 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` `ebf92fb221fbba4b0cbcb2185ee7a5175940e040d76780858deb4fe4ab6dedf9`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x480	249 bytes
`combined_document_js_000.js` `aea00375555f024edac4ba98b0be144ff38026686fc4837b5733d200e474b7e7`	deobfuscated-js	combined document JavaScript streams at offset 0x160	1499 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).

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