C6 Messenger Downloader PDF malware analysis — malicious · 23b85f4e84159ef6

MALICIOUS

PDF

607.3 KB Created: 2011-04-13 09:01:10 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: d0a4b52a003606679d717534acd6ff9a SHA-1: 0ed292bae18493446d724bf4df31c418fa19653a SHA-256: 23b85f4e84159ef6c3a092ce9c82403f2db6ac98e22675af66587824af51e5d9

60 Risk Score

Malware Insights

C6 Messenger Downloader · confidence 90%

MITRE ATT&CK

T1204.001 Malicious Link/Object: Malicious Link

The PDF file contains a critical heuristic firing for the CVE-2008-2551 exploit, which is known to facilitate the download of additional malware. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the download location for the second-stage payload. The exploit targets the 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.

Filename	Kind	Source	Size
`stream_002_off00000688.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x688	73272 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.