Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7d9a6e2440f59ae…

MALICIOUS

PDF

49.9 KB Created: 2011-04-27 03:12:07 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: fa2ac8c9a868e21a571b6927602afecd SHA-1: 1cd3190a903b09b06dd987ac2b4e7ec521d9af00 SHA-256: e7d9a6e2440f59ae1113b310e1960efca074eb0a3d2e324b7ee2f0f468696b0e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.001 Malicious Link

The PDF file contains a critical heuristic indicating the CVE-2008-2551 exploit, which is known to download and execute payloads. The embedded URL http://artisanballoonz.com/system/system.exe is likely the source of this payload. The exploit targets a vulnerability in C6 Messenger ActiveX control.

Heuristics 2

  • C6 Messenger DownloaderActiveX exploit critical CVE exact CVE_2008_2551
    PDF stream bytes contain HTML/ActiveX content configuring the vulnerable C6 Messenger DownloaderActiveX control with propDownloadUrl and propPostDownloadAction=run. This is the published exploit shape for CVE-2008-2551.
  • 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://artisanballoonz.com/system/system.exe
    • http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_001_off00000956.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x956 73272 bytes