PDF malware analysis — malicious · d01ccc26401bb279

MALICIOUS

PDF

3.6 KB

MD5: bc6466234f505ce430b338ca0ac7d906 SHA-1: 135181362ac0dd202b9d964f7d84094dd0edeb17 SHA-256: d01ccc26401bb2792789371144e281d41bf61eb7a8a1dcd8342cdea987cc9ace

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2009_4324 heuristic firing suggests exploitation of a media player vulnerability within the PDF. The embedded JavaScript stream, named 'javascript_obj0006_000.js', is likely responsible for executing the exploit and potentially downloading a second-stage payload. The PDF_UNESCAPE heuristic further suggests obfuscation techniques were used within the script.

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` `5905f77b40e9ec58d1709e9319ff68475326835082bcd5d25154983e0b31039b`	pdf-javascript-stream	PDF /JS object 6 at offset 0x193	2563 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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