Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0410159a3d2eb31…

MALICIOUS

PDF

54.2 KB Created: 2011-06-22 18:08:05 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: b98d8e19c12ab5a028c7add4c623da9b SHA-1: 9481478959b0c7ef99efb99611a9d2b0a80b9195 SHA-256: e0410159a3d2eb31195d05928f2b0f25ef79ad3b24278468c5d72ea7544f3cc2
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample is a PDF file that contains a heuristic firing for CVE_2008_2551, indicating an exploit for the C6 Messenger DownloaderActiveX. This exploit likely attempts to download and execute a payload from a remote URL. One such URL, http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1, is present and associated with the exploit. Another suspicious URL, http://artisanballoonz.com/system/system.exe, was also extracted.

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://www.afghanpaper.com/nbody.php?id=6922
    • http://artisanballoonz.com/system/system.exe
    • http://www.irna.ir/View/FullStory/?NewsId=1033919
    • http://www.irna.ir/View/FullStory/?NewsId=1035794
    • http://www.irna.ir/View/FullStory/?NewsId=1035878
    • http://www.presstv.ir/Persian.aspx?id=8945
    • http://www.presstv.ir/Persian.aspx?id=8944
    • 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_004_off00001a14.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1A14 73272 bytes

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