PDF malware analysis — malicious · e9db39e8f9dd6acb

MALICIOUS

PDF

2.4 KB

MD5: ba4449dad29f63f3ed41ecadfd02bec7 SHA-1: 4c5f139d03959212bcfe248fccd4e6d750fc24af SHA-256: e9db39e8f9dd6acb3aaf426cf9c3817faa5a1562db00b1984a0b405b772a548f

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript that utilizes the unescape function and targets the CVE-2009-4324 vulnerability via media.newPlayer. This indicates an attempt to execute arbitrary code, likely to download and run a secondary payload. The presence of obfuscated JavaScript further supports a malicious intent.

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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0005_000.js` `2c1f76156729945b7a5242d6a8ae326498ea0beb618a2a3a675764d21455a4e1`	pdf-javascript-stream	PDF /JS object 5 at offset 0x1BF	1724 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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