PDF malware analysis — malicious · 606e5180e0695bdb

MALICIOUS

PDF

592.9 KB Created: 2011-05-26 13:15:18 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: ea242264e49f9e512a8c6144448352c7 SHA-1: a8cd783707b92ee5e5df259dd11741c41ec4321c SHA-256: 606e5180e0695bdb060dde69487ae41b57c84dfb86d1e9475d459bac77328e01

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF file identified as malicious by an ML classifier. It contains a marker for the CVE-2008-2551 exploit, which is known to download and execute arbitrary files. The embedded URL http://artisanballoonz.com/system/system.exe is highly suspicious and likely serves as the second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9283

Heuristics 3

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.
Optional Content Group with action trigger low PDF_OPTIONAL_CONTENT

Optional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open
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_004_off00000cd4.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xCD4	73272 bytes

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