C6 Messenger Downloader PDF malware analysis — malicious · 47493eb27fe2df7a

MALICIOUS

PDF

52.7 KB Created: 2011-05-26 12:47:21 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 0049d0594e9abe24b6728b2a2b55cbd1 SHA-1: 6121008d6c0a3edbb9b9d060371d2f3338627c13 SHA-256: 47493eb27fe2df7ae67d7c0c90f15e9838896250b5593c5b90398c1fc9aa14c1

60 Risk Score

Malware Insights

C6 Messenger Downloader · confidence 90%

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for the C6 Messenger Downloader. This exploit likely targets the embedded URL http://artisanballoonz.com/system/system.exe to download and execute a malicious payload. The document body is heavily obfuscated and does not provide further clues, but the exploit and the associated URL strongly suggest a downloader attack.

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_off0000142e.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x142E	73272 bytes

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