PDF malware analysis — malicious · ffa00a3b4217398b

MALICIOUS

PDF

1.4 KB

MD5: aecc42a1589bcac748ab0c4b6dc64094 SHA-1: 1acc88ec7cd4c19a06b7b0603a26c1770790ca08 SHA-256: ffa00a3b4217398b7d2eb5460c70e1e1f528aae8392b9b5a1e9bce07c348b232

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript that leverages the CVE-2009-4324 vulnerability, specifically targeting the media.newPlayer object. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The presence of multiple JavaScript streams and the unescape() function indicate obfuscation techniques commonly used to hide malicious intent. 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. (matched in decompressed stream)
ClamAV: Pdf.Exploit.Agent-14796 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-14796
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` `3a4fdefb33c79037b14d77bc4702fae05bd7edcd2d6eee911e2ff7bb0cbdd898`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1282 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` `e911057d107f460505bd333817b384871b56c6d57ca62ddf2271ee7fef35b2b1`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x48D	266 bytes

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