Malicious PDF — malware analysis report

Static analysis result for SHA-256 63591a11448b3618…

MALICIOUS

PDF

49.6 KB Created: 2011-07-07 23:21:12 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 667b90e4b1dded3038f3fca242179b1c SHA-1: 708e710a72212bd991b77bff7a8a04df16b88234 SHA-256: 63591a11448b3618150291ed631dbedf090a568fcd5216cfd54c82ba3b11184f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF contains a marker indicating an exploit for CVE-2008-2551, which is known to download and execute arbitrary code. The embedded URL points to a CAB file that likely contains an ActiveX control, and another URL is present that likely hosts a malicious executable. These indicators suggest the file is designed to exploit a vulnerability and download a secondary payload.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2812

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_off0000081d.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x81D 73272 bytes

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