PDF malware analysis — malicious · 400cab701d137256

MALICIOUS

PDF

284.2 KB Created: 2011-04-13 09:35:56 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: b05b4d299a8e916e9423f1e15b769cf4 SHA-1: 1d06c08370742d899730e2b78842eec0820dcd65 SHA-256: 400cab701d1372561f19e9affcb1ad753271e109400572841ee05609b2e6e8df

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a marker for the CVE-2008-2551 C6 Messenger DownloaderActiveX exploit. It also contains an embedded URL that points to a potential executable payload. The document body was not sufficiently readable to provide further context, but the exploit and URL strongly suggest a downloader attack pattern.

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.

Filename	Kind	Source	Size
`stream_001_off0000054a.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x54A	73272 bytes

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