PDF malware analysis — malicious · d105bc141f285cc2

MALICIOUS

PDF

361.2 KB Created: 2011-05-26 15:26:22 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 59161884b34131ad1f58a827a4eeee61 SHA-1: 744be869c43b7dddf035fd43b27ff10a218d132a SHA-256: d105bc141f285cc2017e452848df1347570152a0d9c355a9547444e818f2f7b3

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, indicating it's designed to download and execute a payload. The embedded URL 'http://artisanballoonz.com/system/system.exe' is the likely target for this download. While the document body is heavily truncated and unreadable, the exploit and the presence of a suspicious executable URL strongly suggest a malicious downloader.

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_off000004d3.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D3	73272 bytes

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