PDF malware analysis — malicious · 457dc7c1d0dd9c01

MALICIOUS

PDF

267.0 KB Created: 2011-04-13 09:10:57 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 2bb9d7497fa15ca7e8aa441b6b49b5aa SHA-1: 793b4c5d984d9d6d7c3d378dc410d6b06d366f74 SHA-256: 457dc7c1d0dd9c0164625ddef7fec29b948b81c1fc56e4ca20adf1fc52a89694

62 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains a critical heuristic indicating the presence of the CVE-2008-2551 exploit, which is known to download secondary payloads. The embedded URL 'http://artisanballoonz.com/system/system.exe' is highly suspicious and likely serves as the download location for the malicious executable. The document body was unreadable, but the exploit and the suspicious URL strongly suggest 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_off000003cd.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3CD	73272 bytes

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