PDF malware analysis — malicious · c6ae5940c082eb04

MALICIOUS

PDF

2.0 KB

MD5: 4d7ba8801d3f769c3a69f4eb174e4c50 SHA-1: 6a7cb15c31c5ac547c18f5f55618f289688fe916 SHA-256: c6ae5940c082eb048c2add6aa9fbdd3c4403921660c296322df8c4b5eef796e6

196 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.001 Malicious Link T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. A critical finding is the CVE-2009-4324 exploit targeting media.newPlayer, which is a known vulnerability for PDF files. The embedded JavaScript, specifically the `unescape()` call and the obfuscated heap spray function, suggests an attempt to download and execute a second-stage payload. The ClamAV detection further confirms its malicious nature.

Heuristics 6

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.
ClamAV: Pdf.Exploit.JSCode-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.JSCode-1
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
Suspicious extracted artifact medium 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.
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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `a3549c690d37eea72229d99662b9a5c05b4eb89210c43209dc1d0b7efa8762fb`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	1478 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).
`javascript_obj0005_001.js` `66b0e774d674fcf97f0a730404863c25d04e72e02edcf7e6c2a4581b1295b317`	pdf-javascript-stream	PDF /JS object 5 at offset 0x117	40 bytes

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