PDF malware analysis — malicious · 60ba8fca4c70956d

MALICIOUS

PDF

172.7 KB Created: 2011-06-22 16:55:37 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: a16b18fd7e27935ddd34d95621361113 SHA-1: 4584bf95a5414e1d4fb3609bfd3515e0327fc429 SHA-256: 60ba8fca4c70956d1230c4fa4057588b4643d89fcd4d49ba9ddbbb451810517d

92 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file contains a critical heuristic firing for CVE_2008_2551, indicating an exploit for a Messenger DownloaderActiveX vulnerability. This exploit likely facilitates the download of a secondary payload from the URL http://artisanballoonz.com/system/system.exe. The ML classifier also flagged the PDF as malicious, supporting the exploit-based attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.6705

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_off000003df.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3DF	73272 bytes

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