PDF malware analysis — malicious · f2cba7f43ee4cc30

MALICIOUS

PDF

56.4 KB Created: 2011-04-13 13:39:58 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 64c24acf766371a01440308ed86e73b0 SHA-1: c9629580943f8375ed5e1d9e55815890c10719ca SHA-256: f2cba7f43ee4cc302c67bd07182bb365505f43965f79218f4cd5264afdd60861

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, indicating it attempts to exploit a vulnerability in C6 Messenger DownloaderActiveX. The embedded URL points to a potential second-stage payload, 'system.exe', hosted on 'artisanballoonz.com'. This suggests the document's primary purpose is to leverage the exploit to download and run malicious executable content.

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_off00000a3a.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xA3A	73272 bytes

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