C6 Messenger Downloader PDF malware analysis — malicious · 9ce254929d51fc6c

MALICIOUS

PDF

1.16 MB Created: 2011-06-22 17:11:25 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 070adea2886301f67e42b2b90d2afeab SHA-1: 827620e315cd6c340da078a8e80ee8aa40f07e61 SHA-256: 9ce254929d51fc6cb483b96dae12791412b817d396de27091188f1e18c873705

60 Risk Score

Malware Insights

C6 Messenger Downloader · confidence 95%

MITRE ATT&CK

T1204.001 User Execution: Malicious Link

The critical heuristic firing for CVE_2008_2551 indicates the file is designed to exploit this vulnerability. The embedded URL 'http://artisanballoonz.com/system/system.exe' is highly suspicious and likely serves as the download location for a malicious payload. The exploit is intended to facilitate the download and execution of this secondary malware.

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.

Filename	Kind	Source	Size
`stream_003_off00000a8f.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xA8F	73272 bytes

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