Malicious PDF — malware analysis report

Static analysis result for SHA-256 8a10e3402644c4bd…

MALICIOUS

PDF

281.6 KB Created: 2011-06-22 16:58:32 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 8c189b10dda0274aa566a3373fe84a39 SHA-1: c97b9c106bf4b991e06d831cad3e1b9420f01a59 SHA-256: 8a10e3402644c4bd2ed4f26aae123279c3eb68f7d018cddc7aa79e8923be46c0
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file 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 secondary payload. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the download location for this payload. The document body is truncated and unreadable, providing no further context.

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.

FilenameKindSourceSize
stream_001_off0000043a.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x43A 73272 bytes