Malicious PDF — malware analysis report

Static analysis result for SHA-256 4af48699f8be236f…

MALICIOUS

PDF

62.8 KB Created: 2008-03-03 17:06:00 UTC
MD5: b162e91e9a56f44f2c3187f43338f62e SHA-1: 92afe44411e097ad6d61bfa9cc76a6aa0ed1ff7e SHA-256: 4af48699f8be236f1fd9dbd310074c4884bc41c93fa2db95d85934253472cd83
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-4324, indicating an attempt to exploit a vulnerability in PDF readers. The embedded JavaScript is likely responsible for executing malicious code, potentially leading to further compromise. The presence of benign URLs does not detract from the malicious nature indicated by the exploit heuristic.

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. (matched in decompressed 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. (matched inside decoded stream)
  • 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. (matched inside decoded stream)
  • 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/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objstm_0023_00.bin
a8ae5782d4bda67f769039360ac952b75b2fc35dbe59db420533f2e2bbd9095a
pdf-objstm-decoded PDF /ObjStm 23 0 obj (inflated) 274 bytes