PDF malware analysis — malicious · 5245c7f5c7b464fc

MALICIOUS

PDF

304.4 KB Created: 2011-07-07 22:37:15 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 3161ed801c0375f618ce78c9437ad482 SHA-1: 19f0e6ad4e049f2c18f1cfb3c0502ea894392d96 SHA-256: 5245c7f5c7b464fc88f9727ac9e0b5ea52d0dd6b756fce7333493ad635704528

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF contains a critical heuristic firing for CVE-2008-2551, indicating an exploit for a known vulnerability. This exploit is likely used to download and execute a secondary payload from the URL http://artisanballoonz.com/system/system.exe. The embedded URL http://c6.community.alice.it/download/DownloaderActiveX.cab#Version=1,0,0,1 was confirmed as benign and is not considered a primary IOC.

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_013_off00002847.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2847	73272 bytes

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