PDF malware analysis — malicious · f8fcd06221ac8866

MALICIOUS

PDF

311.7 KB Created: 2011-06-22 16:10:56 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 96b59fa0a6ba7359a7666df4b8db9754 SHA-1: ecec7cc1580580406d6210d25b82b2219772b395 SHA-256: f8fcd06221ac8866385742b552e70048dfe063c057b00c99ae70096fdefe421b

60 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that contains a critical heuristic firing for CVE_2008_2551, indicating it exploits a vulnerability in Adobe Reader. The embedded URL http://artisanballoonz.com/system/system.exe is likely the location of the secondary payload. The document body was unreadable, but the exploit and download URL are sufficient indicators of malicious intent.

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_off00000404.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x404	73272 bytes

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