Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ca2aa52d509846a…

MALICIOUS

PDF

415.3 KB Created: 2011-05-26 14:43:53 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 4b27a510a5e6a9f68a72ca283c3ad846 SHA-1: 25fa7ea7db5e4a4fa650ce3e4ade25c52e7f5b25 SHA-256: 2ca2aa52d509846aa23ab49c1e079f0ac3076e154862a519d7f42f96c4de4408
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF 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_off00000423.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x423 73272 bytes

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