Malicious PDF — malware analysis report

Static analysis result for SHA-256 324d1fa1f344757f…

MALICIOUS

PDF

54.2 KB Created: 2011-05-28 20:25:53 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 49f680fe4a09ae733d81edfe14b989d9 SHA-1: 73534d6503de303e5391b2a539eac026e5da3083 SHA-256: 324d1fa1f344757ffebf63c3f38479009c4298abd3a41c7b7546813dd09e0ec6
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell

The sample is a PDF document that contains a critical heuristic firing for the CVE_2008_2551 exploit. This exploit is known to download and execute arbitrary files. The embedded URL 'http://artisanballoonz.com/system/system.exe' strongly suggests the document's intent is to download and run a second-stage payload. The benign reputation of other URLs indicates they are likely decoys or unrelated content.

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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