PDF malware analysis — malicious · ebe2425c29040317

MALICIOUS

PDF

92.8 KB

MD5: 5e0899beaa8c229eb1ddb46fbbd71c02 SHA-1: 854f956e225f334fac1c618e32726e11926cafbe SHA-256: ebe2425c2904031739ddd58a38cfa5e5bf3c26eabe128fe02c7af4b3e6ee62be

78 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF document contains embedded JavaScript and triggers CVE-2009-4324 via the media.newPlayer API. The deobfuscated JavaScript, legacy_pdfkit_stage_000.js, appears to be designed to download and execute a secondary payload. The obfuscated nature of the script and the use of a known PDF exploit indicate a malicious intent to compromise the user's system.

Heuristics 4

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. (identified after JavaScript deobfuscation)
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `93134e9acd084467f2714f3b642ea9373bd0432dd6cb1832bdd8552e8647764a`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	2578 bytes
`legacy_pdfkit_stage_000.js` `ada8be7fcbbba2749cefe5122fc7e86dce72eb1b6eeddf6c5a324ca92ef02182`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0xC2D	2546 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_001.js` `42025b552c7960b53abcd8cd732b01c8d109eccfdfefc352b9826c4d5807d414`	deobfuscated-js	cross-stage annotation API aliases at offset 0x1E7	81 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.