Malicious PDF — malware analysis report

Static analysis result for SHA-256 d670003f1dcc266e…

MALICIOUS

PDF

849.0 KB Created: 2011-06-22 18:16:34 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 4cbf147aee26dd3266a6f50eb7290ae7 SHA-1: 03cc670663fd615bb8b2e4b98e0c1f01e9831bee SHA-256: d670003f1dcc266e035f536cb3a30668c16dcaae8dba6712ffdcadad8998f3d3
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a marker for the CVE-2008-2551 C6 Messenger DownloaderActiveX exploit. This exploit is designed to download and execute a secondary payload from a specified URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely hosts the malicious payload.

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_off00000418.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x418 73272 bytes

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