PDF malware analysis — malicious · 519b31203a6ba3c8

MALICIOUS

PDF

607.3 KB Created: 2011-04-16 14:18:50 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: c63f777281c2006d2bc926661e70ed1a SHA-1: a55d29a73703aa46760d8d7db3eb5f6052e75196 SHA-256: 519b31203a6ba3c884ca5007ab91b6c11e929e367ca35876493af6c6a8435fa5

60 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF contains a critical heuristic firing for CVE_2008_2551, indicating an exploit for C6 Messenger DownloaderActiveX. This exploit likely facilitates the download and execution of a secondary payload from the URL http://artisanballoonz.com/system/system.exe. The document body was heavily truncated and unreadable, providing no 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_002_off00000688.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x688	73272 bytes

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