PDF malware analysis — malicious · b8ab09b8ec51a5a3

MALICIOUS

PDF

3.8 KB

MD5: c8dd4e3970d238434c25df6f3abc58b7 SHA-1: 074e8140a8f9983449a3f96498e109f0716d9b97 SHA-256: b8ab09b8ec51a5a3e86ca3327c0b60aa0dffac4226b76c56d524fd2a260f9a14

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1190 Exploit Public-Facing Application

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2009_4324 heuristic firing suggests exploitation of a specific vulnerability related to media player objects. The PDF_UNESCAPE heuristic indicates obfuscation of the JavaScript content. The embedded JavaScript is likely intended to download and execute a second-stage payload, although the exact functionality cannot be determined due to obfuscation.

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. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `c8adb3d30c0eda7ac7c07a8105451b01760609e7ed9638d6f4d7e6d38f08ffc9`	pdf-javascript-stream	PDF /JS object 6 at offset 0x19B	2761 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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