PDF malware analysis — malicious · a38014bb1eda0eec

MALICIOUS

PDF

1.4 KB

MD5: d2e7b47c34ed5ede79e9ab15b2235061 SHA-1: 7ad6a4bc8dbcc3b7c9a4ae7b4f5516a38418a187 SHA-256: a38014bb1eda0eec1b8fe2c1c0ae26937dc0117a0006408bb358ba709ce6f67d

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript that is triggered by the 'media.newPlayer' object, indicating exploitation of CVE-2009-4324. The JavaScript is obfuscated and uses unescape() calls, typical of exploit delivery. The primary intent appears to be the execution of arbitrary code via this vulnerability, as confirmed by ClamAV detection as Pdf.Exploit.Agent-14130.

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-14130 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-14130
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` `7cb0e7f66f8042b4a939ee7aec103acb94d9b4fb5ddc69e92418e437d50d11fc`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1256 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` `b38da44d3d2933317d037188d956cbb839da241267806ec791ece658ef3abcbe`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x483	249 bytes

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