PDF malware analysis — malicious · 3f6dea8120b99e3b

MALICIOUS

PDF

607.3 KB Created: 2011-04-22 21:48:39 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: d4d24e6901e776be8edd856c75c9c051 SHA-1: 32e2c673bbcd634222ee963634c0fa6fca07007c SHA-256: 3f6dea8120b99e3bf7352b0a4f23f8f5919dc30d491c4ca24b9e474a2ff1960d

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The sample is a PDF document that exploits the CVE-2008-2551 vulnerability, indicated by the 'C6 Messenger DownloaderActiveX exploit' heuristic. This exploit likely facilitates the download of a secondary payload from the URL http://artisanballoonz.com/system/system.exe. The document body content is heavily obfuscated and does not provide further clues on the specific lure.

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_002_off00000688.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x688	73272 bytes

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