PDF malware analysis — malicious · d924f3b4c9562a7e

MALICIOUS

PDF

304.4 KB Created: 2011-06-22 17:02:38 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: b30b4fc910fa6bfcf66b941b28456e4a SHA-1: 67a35024dc2dc12bcd578a76a138b33c4827063e SHA-256: d924f3b4c9562a7e87813ea301846c153f2303873a76207deaf4155c068b1da0

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 vulnerability. This exploit is designed to download and execute a payload. An embedded URL points to 'http://artisanballoonz.com/system/system.exe', which is highly suspicious and likely the downloaded payload. The document body is heavily obfuscated and does not provide further context.

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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