Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5144f9a966f3d38…

MALICIOUS

PDF

304.4 KB Created: 2011-04-16 14:10:26 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 169f3181091c4c351a0cf47ce37309be SHA-1: 865669e7b0aeffe9b091bc7e449913b351bbd8a8 SHA-256: f5144f9a966f3d38c5686313d1ba671c177f936a24eb2a55f600749c76930779
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for the DownloaderActiveX vulnerability. This exploit is designed to download and execute a secondary payload from a remote URL. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the download location for the malicious executable.

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_013_off00002847.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2847 73272 bytes