PDF malware analysis — malicious · 82ce03f8a083573c

MALICIOUS

PDF

373.1 KB Created: 2011-07-07 22:18:08 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 10bc6d5d4e58f310cf27d205f21d9d90 SHA-1: 355183ca17c3ac952a9540178eba656d1e1cbde8 SHA-256: 82ce03f8a083573c90eaf7bd334018e9583e397c5d6d429ebc450d9be0c057d0

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE_2008_2551, indicating it exploits a vulnerability in Adobe Reader. The embedded URL points to a CAB file which likely contains the ActiveX exploit. A second URL, http://artisanballoonz.com/system/system.exe, is present and likely serves as the download location for 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_001_off0000063b.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x63B	73272 bytes

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