PDF malware analysis — malicious · d8bab05b260cf6ca

MALICIOUS

PDF

372.6 KB Created: 2011-05-26 13:38:25 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 79b76370b241e1fd20f076ce264df2ec SHA-1: 3d2e5b8e46b52411246671889688ee9d93c159aa SHA-256: d8bab05b260cf6ca1f2d4f104ae90223dd47a36ce8abb4d6230c3aeae6114117

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF contains a critical heuristic firing for the CVE_2008_2551 exploit, indicating it's designed to download and execute a payload. The embedded URL http://artisanballoonz.com/system/system.exe is flagged as unknown reputation and is the likely source of the secondary payload. The exploit targets the ActiveX component, commonly used for downloading and running executables.

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_off00000425.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x425	73272 bytes

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