PDF malware analysis — malicious · 8cb9c0ba931c8e26

MALICIOUS

PDF

256.0 KB Created: 2011-06-22 17:34:17 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 190fabdf1287df7d3241df5913f24eb1 SHA-1: 5457042ab4ef2069b878a72ce91ac81f1d362f2c SHA-256: 8cb9c0ba931c8e26b7c093a4d2fd28061e06b190a3550f7d93ed4044fd220213

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic indicating the CVE-2008-2551 exploit, which is known to download and execute arbitrary files. The embedded URL 'http://artisanballoonz.com/system/system.exe' likely serves as the secondary payload. The document's structure and the exploit suggest a drive-by download 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_off0000039a.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x39A	73272 bytes

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