Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe95fb9d0c89d813…

MALICIOUS

PDF

54.1 KB Created: 2011-04-17 18:25:38 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 70f5e5f508af0e3e27dbedae4c0d4c35 SHA-1: bbde59ebd6ed7585935c1dde3cdec0ba4fc8f769 SHA-256: fe95fb9d0c89d8138f9ed919ee02205fb179e08571b791391076752e631a061f
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a marker for the CVE-2008-2551 C6 Messenger DownloaderActiveX exploit. This exploit is designed to download and execute a secondary payload from a remote location. While the primary URL associated with the exploit is benign, the presence of the exploit marker strongly indicates a malicious intent to compromise the user's system.

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.farsnews.com/newstext.php?nn=8903170976
    • http://www.irna.ir/View/FullStory/?NewsId=1162985
    • http://www.irna.ir/View/FullStory/?NewsId=1163118
    • http://www.irna.ir/View/FullStory/?NewsId=1163090
    • http://www.irna.ir/View/FullStory/?NewsId=1160973
    • http://www.farsnews.com/newstext.php?nn=8903171179
    • http://www.farsnews.com/newstext.php?nn=8903171215
    • http://www.presstv.ir/Persian.aspx?id=10509
    • http://www.presstv.ir/Persian.aspx?id=10513
    • http://www.presstv.ir/Persian.aspx?id=10507
    • http://www.irna.ir/View/FullStory/?NewsId=1163152
    • http://www.irna.ir/View/FullStory/?NewsId=1163128
    • http://www.irna.ir/View/FullStory/?NewsId=1163104
    • 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_off00001a07.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1A07 73272 bytes

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