Malicious PDF — malware analysis report

Static analysis result for SHA-256 557ec4fa77e88bb0…

MALICIOUS

PDF

50.3 KB Created: 2011-04-13 14:06:37 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 074d4427cf709604ee4ec6e7083e0d09 SHA-1: caf64202df137de8db68c99da91c80381a459ba7 SHA-256: 557ec4fa77e88bb0d7a19b2f52c986d353cbadb296235232f53bf459d4bd2cdd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a critical heuristic indicating the presence of the CVE-2008-2551 exploit, which is known to download and execute arbitrary code. An embedded URL points to a potential second-stage executable. The exploit likely targets users who open this PDF, leading to the download and execution of 'system.exe' from 'artisanballoonz.com'.

Heuristics 2

  • 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.
  • 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://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_off00000b5a.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xB5A 73272 bytes

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