Malicious PDF — malware analysis report

Static analysis result for SHA-256 32d4f478edb9feaa…

MALICIOUS

PDF

53.4 KB Created: 2011-04-22 21:50:53 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 74c1ef987a62b1783784d70dafd8e683 SHA-1: 4fc8c7d54e3da5ecd961db0141f93102dc17954d SHA-256: 32d4f478edb9feaaac09f79ee2e7b980eba435c6008df461ee982d9b217e7803
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF contains a critical heuristic firing for the C6 Messenger DownloaderActiveX exploit, indicating it's designed to leverage this vulnerability. The embedded URL 'http://artisanballoonz.com/system/system.exe' is likely the location of the secondary payload. The document body was truncated and unreadable, preventing further analysis of its specific lure.

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_002_off00001739.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1739 73272 bytes

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