PDF malware analysis — malicious · a21d923324165c3a

MALICIOUS

PDF

136.5 KB Created: 2011-04-22 21:32:25 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 04dad749b34f50b50a9cc00ebd431300 SHA-1: 9c561970ac7b33274a91db5a2dd8ce76e4db190f SHA-256: a21d923324165c3abaa7c41bcf2053ecece3cf3532057d4d32831c7b6269ecc3

60 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The critical heuristic firing for CVE_2008_2551 indicates exploitation of a PDF vulnerability. The embedded URL points to a Windows executable, suggesting the exploit's purpose is to download and run a second-stage payload. The file is a PDF, and the exploit targets client execution.

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_off000003dc.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3DC	73272 bytes

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