Malicious PDF — malware analysis report

Static analysis result for SHA-256 5558ec5e7b93492f…

MALICIOUS

PDF

594.5 KB Created: 2009-07-08 10:53:46 +08:00 Authoring application: Acrobat Distiller 7.0 (Windows)
MD5: d0e6f6a16e21e8936cef7a98462f2fe4 SHA-1: 51c62b30a718886e458f6c15a98c850f24dee63c SHA-256: 5558ec5e7b93492f612b37458245452e11d7e2bbb0e1c37619c22ed36ac17e67
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1204.002 Malicious Link

The PDF document contains embedded JavaScript that exploits CVE-2009-4324 via the media.newPlayer property alias. This technique is commonly used to download and execute further malicious payloads. The JavaScript stream and its deobfuscated version indicate active exploitation, leading to a high confidence in the malicious nature of the file.

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.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdfx/1.3/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0017_000.js
e49be67ea6746131ea7e7189f6e63faf66a925a881df385018d50417173cdfb5		 pdf-javascript-stream PDF /JS object 17 at offset 0x4DA 2717 bytes
js_property_alias_stage_000.js
63bf44208eb46d0d640e6188ae048db0fced0275624d7c79608d14da526a6eb6		 deobfuscated-js JavaScript property alias normalized stage at offset 0x4DA 2519 bytes

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