PDF malware analysis — malicious · 2e0b8e8d300dd99f

MALICIOUS

PDF

339.1 KB Created: 2011-05-28 19:47:08 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 6df834914157e830857a0ab434ef29d6 SHA-1: 54dc0945c404263b3cd1b8b2c496025ca9f7c932 SHA-256: 2e0b8e8d300dd99fd66b1cfbf96b7a984ca0a92ad1dbfc5b30e6cb8efc824a34

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains a marker for the CVE-2008-2551 DownloaderActiveX exploit. This exploit is designed to download and execute a secondary payload. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely hosts the secondary payload. The document body was unreadable, but the exploit and URL strongly indicate a downloader 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_off000003b8.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3B8	73272 bytes

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