PDF malware analysis — malicious · 67653f55771372cf

MALICIOUS

PDF

371.3 KB Created: 2011-04-22 21:36:00 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 6a44d9c4247b7e17305e8c3d55370248 SHA-1: e0b8c6c65f4ee369f706043559b63808dd6fb987 SHA-256: 67653f55771372cf43aafc301742a2f21a29f52fe361598b9a4d9dea1c2e9a02

92 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF sample contains a critical heuristic firing for CVE_2008_2551, indicating it exploits a known vulnerability to download and execute a payload. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely hosts the second-stage executable. The ML classifier also flagged the PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9685

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_off00000827.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x827	73272 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.