Malicious PDF — malware analysis report

Static analysis result for SHA-256 261374ba5334fb09…

MALICIOUS

PDF

53.4 KB Created: 2011-06-22 17:42:10 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 680311485f716df90725dfd5ee7c4fda SHA-1: eda9d9f15ffca2e52ac0897b5f60ef87b2f2a987 SHA-256: 261374ba5334fb09b3939042613e28eceae3cdad70479b6fd2da00635a249860
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is a PDF document that contains a critical heuristic firing for the CVE-2008-2551 C6 Messenger DownloaderActiveX exploit. This exploit is designed to download and execute a payload from a specified URL. The embedded URL http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1 is likely related to the exploit, and http://artisanballoonz.com/system/system.exe is an unknown URL that could be the downloaded payload.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://www.irna.ir/View/FullStory/?NewsId=893788
    • http://www.irna.ir/View/FullStory/?NewsId=893869
    • http://www.mehrnews.com/fa/newsdetail.aspx?NewsID=1016245
    • http://www.presstv.com/Persian.aspx?id=7105
    • http://www.irna.ir/View/FullStory/?NewsId=893915
    • 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_off00001717.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1717 73272 bytes

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