Malicious PDF — malware analysis report

Static analysis result for SHA-256 44d939f956efc479…

MALICIOUS

PDF

49.7 KB Created: 2011-06-22 18:02:42 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: e0485e254bbc287e02262230cad9a15e SHA-1: 856a4bb8b982cc6c9a4010ba46c2fe73c21bcff8 SHA-256: 44d939f956efc4791a100edc67362553c427eb086b8e7068da1bb874d1487929
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF contains a critical heuristic firing for the CVE-2008-2551 exploit, which is known to download and execute payloads. The embedded URL http://artisanballoonz.com/system/system.exe is likely the source of this payload. The other embedded URL was confirmed benign. No scripts were extracted from this sample.

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_off0000086b.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x86B 73272 bytes