Malicious PDF — malware analysis report

Static analysis result for SHA-256 36c4217f960f0da8…

MALICIOUS

PDF

53.4 KB Created: 2011-07-07 22:30:29 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 03077f64f342ac8f46bc0e947ef7e045 SHA-1: e22e05a4825fe8477d67180090121a36109456f2 SHA-256: 36c4217f960f0da8f0c53e03d6dff048aee7313d4e4b7cfa2c7a6e20e83fb131
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a heuristic match for the CVE-2008-2551 exploit, which is known to download and execute arbitrary code. The embedded URL http://artisanballoonz.com/system/system.exe is likely the secondary payload. The document body was unreadable, but the exploit and the presence of a downloadable executable strongly indicate a malicious intent to compromise the user's system.

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_002_off00001739.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1739 73272 bytes