Malicious PDF — malware analysis report

Static analysis result for SHA-256 cec553acc47d79a0…

MALICIOUS

PDF

486.3 KB Created: 2011-04-22 21:31:54 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 3a6438876f43a380ad6b4da5f3ca4b3a SHA-1: 2d06b71885fbbd06dd26e836ca478aaaaf83e4f6 SHA-256: cec553acc47d79a05e26e9de04c223433462e0d1a652b9dce5c883906d30266d
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF contains a marker for the C6 Messenger DownloaderActiveX exploit (CVE-2008-2551). It also embeds a URL that points to a potential executable payload. The primary intent appears to be downloading and executing a second-stage payload from the embedded URL.

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_off00000632.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x632 73272 bytes