PDF malware analysis — malicious · d898bfbcc5b3d91e

MALICIOUS

PDF

48.6 KB Created: 2011-04-22 21:26:03 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: bf7f8fd97bc24571bbbc83339f2dff4e SHA-1: c569d84a802d416b0b8a150c700e06452217a63a SHA-256: d898bfbcc5b3d91e3152ac03dd9a1efdca0f4ce8686d5e8259cf40854fa1c372

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The critical heuristic firing for CVE_2008_2551 indicates the document is designed to exploit this vulnerability. The embedded URL 'http://artisanballoonz.com/system/system.exe' is highly suspicious and likely serves as the download location for a malicious executable. The PDF's authoring application and creation date suggest it might be part of an older campaign, but the exploit and download mechanism remain relevant.

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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