PDF malware analysis — malicious · f2ce15d19917223f

MALICIOUS

PDF

1.4 KB

MD5: 21d30366e5e42b327b9899444122e2ec SHA-1: bf5741b6b3a5123d4b8147cc35b8c121b7eb3588 SHA-256: f2ce15d19917223f84e244f9ecc4060aa96779ead0d36def02027ed65afe8a26

118 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, which is triggered by a media player object exploiting CVE-2009-4324. The JavaScript is obfuscated using unescape() and likely downloads and executes a second-stage payload. The presence of multiple JavaScript streams and the specific exploit indicate a malicious document designed for exploitation.

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` `228beb87639457382b0cffa5180ee570cbc9b465618c71b9cad09aef4f57c532`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1278 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` `8bdef97c3a4d7cd0273a5cce7efa401fda19b81d01eb100b69dd8a81e2c23267`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x490	263 bytes

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