PDF malware analysis — malicious · 75bcdd5379649760

MALICIOUS

PDF

49.4 KB Created: 2011-06-22 16:08:21 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 08bc101f725d1e72f8851b677073fcf5 SHA-1: cb22b9280bd5bfaa2177a0e78848727dd25167a9 SHA-256: 75bcdd53796497606de40d9b97aced76caa56d6cb2c4c3ed47ff441bc1b45bdc

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a marker indicating the CVE-2008-2551 exploit, which is known to download and execute arbitrary code. The embedded URL points to a potential second-stage payload, 'system.exe'. The document body was not sufficiently readable to determine a specific lure, but the exploit and download mechanism are clear.

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_off00000723.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x723	73272 bytes

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