PDF malware analysis — malicious · a3191e5e48217c17

MALICIOUS

PDF

48.6 KB Created: 2011-04-22 21:33:18 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 68893bc465c30ad3eb02a27d5600f884 SHA-1: 35b39700d9f6a76df45faf7d8ce719e2ec94f941 SHA-256: a3191e5e48217c171c5f4d066fa3dd534f54a58ecdee8decfaff09c4a2e76ad6

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for the C6 Messenger DownloaderActiveX exploit (CVE_2008_2551). This exploit is designed to download and execute arbitrary code from a remote location. The embedded URL 'http://artisanballoonz.com/system/system.exe' is highly suspicious and likely serves as the download location for the secondary payload. The document body was unreadable, but the exploit and URL strongly indicate 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_off0000045e.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x45E	73272 bytes

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