Malicious PDF — malware analysis report

Static analysis result for SHA-256 e389ddc415816759…

MALICIOUS

PDF

379.6 KB Created: 2011-06-22 17:10:52 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: f6874e32bcb98b275434bc839c6073da SHA-1: 6078dbb0c8fa5e98dff24fe43489a2419d2bacd8 SHA-256: e389ddc4158167596a050d938fb3b8ead0a02ebf5df5a3d76662777287c9ac49
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a marker indicating the CVE-2008-2551 exploit, which is known to download and execute arbitrary files. The embedded URL http://artisanballoonz.com/system/system.exe is likely the secondary payload. The document body was not sufficiently readable to determine a specific lure.

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_off000003bd.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3BD 73272 bytes