PDF malware analysis — malicious · ef238e0d3c6b965b

MALICIOUS

PDF

310.4 KB Created: 2011-04-16 14:19:28 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 1cb6e379d36956f6a9bb1e2813caa343 SHA-1: 65f5923b5c5bab3612ac861e86c2885fa54b19c3 SHA-256: ef238e0d3c6b965b8a38349ad6a3b318af6524212bf9d753389859cf2528739a

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link

The PDF contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for the C6 Messenger DownloaderActiveX. This exploit is designed to download and execute a payload. An embedded URL points to 'artisanballoonz.com/system/system.exe', which is highly suspicious and likely the second-stage payload. The document body is heavily obfuscated and does not provide further clues.

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_off0000040f.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x40F	73272 bytes

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