Malicious PDF — malware analysis report

Static analysis result for SHA-256 ade398ac6b3619e1…

MALICIOUS

PDF

49.4 KB Created: 2011-04-22 21:39:05 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: ca8cefcf213209ebb8e5731c7ae589d5 SHA-1: b12f88921398f93a13742c7df7f1d3595e74f2cb SHA-256: ade398ac6b3619e1ff026fd8e840ac4a6dd879dab8113a274c0b818f7e466f66
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF contains a marker for the CVE-2008-2551 exploit, which is known to download and execute arbitrary files. The embedded URL points to a potential second-stage executable. The document body is heavily obfuscated and unreadable, providing no further context on the lure.

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_off0000070b.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x70B 73272 bytes

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