PDF malware analysis — malicious · 9fe1263347a79385

MALICIOUS

PDF

432.6 KB Created: 2011-06-22 17:12:58 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 601fb5bd4de21fd884f669eacb4d0a1e SHA-1: e6ea65204bcc089bf7e9e4f180b42a5caeb9afb8 SHA-256: 9fe1263347a79385c42c2e082370ec26baaab4f66bafb19f595460ed09faa645

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The sample is a PDF file that contains a marker for the C6 Messenger DownloaderActiveX exploit (CVE_2008_2551). This exploit is designed to download and execute a secondary payload from a remote URL. 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_002_off00000b35.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xB35	73272 bytes

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