PDF malware analysis — malicious · cdc475407ca08fb4

MALICIOUS

PDF

56.4 KB Created: 2011-05-17 08:47:20 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: b9c9119d034a4d72f445d2dfd23771fe SHA-1: bdd6affe5ac462668533e88122392814154687db SHA-256: cdc475407ca08fb448b514c9d26c0a412d6f8b75d0228e4f84c90e642012ecae

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for the CVE_2008_2551 exploit, which is known to download and execute payloads. The embedded URL points to a potential executable file, 'system.exe', on a suspicious domain. This indicates the document's primary purpose is to exploit a vulnerability to download and run a malicious second-stage 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_009_off0000220a.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x220A	73272 bytes

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