PDF malware analysis — malicious · aec92f071243ed68

MALICIOUS

PDF

304.4 KB Created: 2011-05-17 09:07:52 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 83bfc69dcb890c4210ca5768a193488b SHA-1: 89fa3deef94a268f1dace32f2b2385a42af6e78e SHA-256: aec92f071243ed68dceab393ff1b41c988b4f22e8e3ab675a33f3b68fb079f8c

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for the C6 Messenger DownloaderActiveX. This exploit likely facilitates the download of a secondary payload from the embedded URL http://artisanballoonz.com/system/system.exe. The file's SHA256 hash is aec92f071243ed68dceab393ff1b41c988b4f22e8e3ab675a33f3b68fb079f8c.

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_013_off00002847.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2847	73272 bytes

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