PDF malware analysis — malicious · 3b99a547d4f571b2

MALICIOUS

PDF

304.4 KB Created: 2011-06-22 17:41:05 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 59cd18b0abfe82352f1096ee4b01c2bc SHA-1: 084bee5d2edf1d29651e2a726cac617edcb37f1b SHA-256: 3b99a547d4f571b208c54af0fc0b463a15e48eba4ecb62a5ce78dfe04030c894

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link/Object

The PDF contains a marker for the C6 Messenger DownloaderActiveX exploit (CVE_2008_2551). This exploit is designed to download and execute a secondary payload. The embedded URL http://artisanballoonz.com/system/system.exe is flagged as unknown reputation and is the likely source of the secondary payload.

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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