PDF malware analysis — malicious · bf0047b6b71a9b32

MALICIOUS

PDF

49.1 KB Created: 2011-05-17 08:43:54 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 17d4d9101c0aacf8a654447e9f122878 SHA-1: 00ad0ed7b70378161d3fcad2f6d9d6aa978c7f33 SHA-256: bf0047b6b71a9b32f916ea7fe8480b4d5b7512a702178cea67086407e7662e94

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link

The PDF contains a critical heuristic indicating the CVE-2008-2551 exploit, which is known to download and execute secondary payloads. An embedded URL, http://artisanballoonz.com/system/system.exe, is present and likely serves as the download location for the 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_off000005fd.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5FD	73272 bytes

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