PDF malware analysis — malicious · 9a633cdafe6822c0

MALICIOUS

PDF

172.7 KB Created: 2011-05-29 16:14:36 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 8fb1ac055ac6a8b1b7c319545cf60e40 SHA-1: edb4d803bd936c60b4a69c54f8ad94a7ddaf20b2 SHA-256: 9a633cdafe6822c0ee67e65a0d72a8567e087d14d16cef4496b26cf67339609d

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The sample is a PDF document that contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for a DownloaderActiveX vulnerability. This exploit likely targets the embedded URL http://artisanballoonz.com/system/system.exe to download and execute a malicious payload. The document body is heavily obfuscated and does not provide further clues.

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_off000003df.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3DF	73272 bytes

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