PDF malware analysis — malicious · c217e1c315f2a9be

MALICIOUS

PDF

1.4 KB

MD5: 80721cdbe9e35e1f3a8afc715551e68c SHA-1: ca2f5646ac7e8b58da90c68c2ea2f5632b1cb72a SHA-256: c217e1c315f2a9beba5ef56f877e98cffbe48b37b677033fceb6aca5a8722218

178 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. A critical heuristic identified the CVE-2009-4324 vulnerability related to media.newPlayer, suggesting the JavaScript is used to exploit this flaw. The ClamAV detection further confirms its malicious nature. The embedded JavaScript is likely used to download and execute a second-stage payload.

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: Pdf.Exploit.Agent-21070 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-21070
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` `39b795e99aa5c0a7d24a6a8c855f6e115da7b445a0e52cb5f1c6ee484526726a`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1265 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` `66572bc371f7248d1904060ef7a5e472654e4672d8e98502c57f381a546d231b`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x48A	264 bytes

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