Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddaec7a984103008…

MALICIOUS

PDF

6.2 KB
MD5: 7b493db044744c57216f3a63e1d165c4 SHA-1: 6d1670035e64cf24941bd9b42586b2f8c232228a SHA-256: ddaec7a9841030080a5de8a6a19f3906cd3738b6ae0c1235109f6285ff136892
76 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 an attempt to exploit a vulnerability in Adobe Reader. The embedded JavaScript is likely used to download and execute a second-stage payload. The benign URLs present do 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
0ce0842911e13d2026e5f0ee5ef0f28b6d85b44c2fcaa5a303e6e8de805aa3b3		 pdf-objstm-decoded PDF /ObjStm 23 0 obj (inflated) 606 bytes

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