PDF malware analysis — malicious · 388b18702e616fd6

MALICIOUS

PDF

49.4 KB Created: 2011-04-16 14:13:05 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 0869e7fedf3468cc0e202fe6d3fcd051 SHA-1: bc2ae40e6fa44295493d012d2f551c54f02ca06a SHA-256: 388b18702e616fd60f25dab804896d01a3224cd8981b89f0a6f6a217e0b9dee2

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution

The critical heuristic firing for CVE_2008_2551 indicates the file is designed to exploit this vulnerability. The embedded URL http://artisanballoonz.com/system/system.exe is likely the location of the second-stage payload. The PDF document body is heavily obfuscated and truncated, preventing a more detailed analysis of its specific lure.

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_off00000734.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x734	73272 bytes

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