PDF malware analysis — malicious · 32677bea54ff7f5e

MALICIOUS

PDF

3.5 KB

MD5: 9fa7e4a276499fc784613095e40f0d2c SHA-1: aa76525fa372839ffa99dde6f400d0f54bc8c9d1 SHA-256: 32677bea54ff7f5e2677b20df0568a46782536e2fab69fd7f2a48e0d279f108a

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-4324, indicating it exploits a vulnerability in the media player functionality. The presence of JavaScript and the specific CVE exploit suggest the file is designed to download and execute a malicious payload. The obfuscated nature of the JavaScript and the ClamAV detection further support its malicious intent.

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: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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_obj0006_000.js` `59dba04ae1cc65939555ec2e5e5f4f6d2a7e2d429a92df4f46a745cfc88468ba`	pdf-javascript-stream	PDF /JS object 6 at offset 0x199	2444 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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