PDF malware analysis — malicious · b2ed506eb18d91b5

MALICIOUS

PDF

49.4 KB Created: 2011-04-27 03:33:45 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 8e333391ec8a5dab32a47e1dc244541f SHA-1: 6ef2169ec1a2732ffc76c06bac5095febb718bb6 SHA-256: b2ed506eb18d91b500919263bbfabffe123f9716f0b15559c7f48aa87b018888

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link T1204.002 Malicious File

The sample is a PDF document that contains a critical heuristic firing for the CVE-2008-2551 exploit. This exploit is known to download and execute arbitrary files. An embedded URL points to a suspicious executable file, 'system.exe', on the domain 'artisanballoonz.com'. The document body was unreadable, but the exploit and the embedded URL strongly suggest a downloader attack pattern.

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_off0000070b.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x70B	73272 bytes

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