PDF malware analysis — malicious · 309b91b24239a77a

MALICIOUS

PDF

498.6 KB Created: 2011-04-27 03:09:50 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: ce9cbfefe11ed57589647f91bff4ae56 SHA-1: 77a8ca2731574b9ee042bd2e7d9f4f3b954d97ff SHA-256: 309b91b24239a77a5a327630bd5f62a0ad89d303420de20e269dca6dfecc713a

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains a critical heuristic firing for CVE_2008_2551, indicating an exploit for a downloader. An embedded URL points to a potential executable payload, 'system.exe', on 'artisanballoonz.com'. This suggests the PDF is designed to exploit a vulnerability and download further malicious 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_001_off0000042a.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x42A	73272 bytes

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