PDF malware analysis — malicious · 7bc4d91362d08920

MALICIOUS

PDF

240.2 KB Created: 2011-05-28 20:26:36 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: a192184c26d38c350edaadd987276b31 SHA-1: 558d20afb76a01e7641af89d3d69cb921a9e505a SHA-256: 7bc4d91362d0892053f8291dbd6bde2a323cef5c5dff5271289ed25cdef58406

92 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF file that contains a critical heuristic firing for the C6 Messenger DownloaderActiveX exploit. This exploit is designed to download and execute a secondary payload, indicated by the presence of a suspicious executable URL. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9252

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_off000003be.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3BE	73272 bytes

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