Malicious PDF — malware analysis report

Static analysis result for SHA-256 92b6ed0571b3468b…

MALICIOUS

PDF

60.8 KB Created: 2011-06-22 16:10:28 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: fe958c074a21ddb8c1f22767132dd8e1 SHA-1: 68dac739cff763e006a6c3f4b91f861da82ae801 SHA-256: 92b6ed0571b3468b39bad77f867246bc55fe21e1af3fc914c44c4af6aab196e9
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a critical heuristic firing for CVE_2008_2551, indicating it exploits a vulnerability to download a payload. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely hosts the secondary payload. The presence of a DownloaderActiveX CAB file further supports the download and execution attack pattern.

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.rajanews.com/detail.asp?id=49387
    • http://artisanballoonz.com/system/system.exe
    • http://www.irna.ir/View/FullStory/?NewsId=1095402
    • http://www.farsnews.com/newstext.php?nn=8902131570
    • http://www.irna.ir/View/FullStory/?NewsId=1094497
    • http://www.irna.ir/View/FullStory/?NewsId=1094349
    • http://www.irna.ir/View/FullStory/?NewsId=1094488
    • http://www.irna.ir/View/FullStory/?NewsId=1094484
    • http://www.irna.ir/View/FullStory/?NewsId=1094490
    • http://www.irna.ir/View/FullStory/?NewsId=1095417
    • http://www.irna.ir/View/FullStory/?NewsId=1095146
    • http://www.irna.ir/View/FullStory/?NewsId=1094491
    • http://www.irna.ir/View/FullStory/?NewsId=1094468
    • 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_010_off00003363.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3363 73272 bytes

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