C6 Messenger Downloader PDF malware analysis — malicious · b985fbdbc8d12c71

MALICIOUS

PDF

49.4 KB Created: 2011-06-22 17:53:40 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: c93975e94d4fd9b6c249cca4d24c99c7 SHA-1: 24f3926211d41507804d331a279604d9356374e4 SHA-256: b985fbdbc8d12c7182150479be1949fda20c7919bcc4783c337d331be717ac1c

60 Risk Score

Malware Insights

C6 Messenger Downloader · confidence 90%

MITRE ATT&CK

T1204.001 Malicious Link

The critical heuristic firing for CVE_2008_2551 indicates the file attempts to exploit a known vulnerability. The embedded URL pointing to system.exe suggests a downloader functionality. The benign reputation of the other URL is ignored due to the critical heuristic.

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_001_off00000723.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x723	73272 bytes

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