PDF malware analysis — malicious · 4d50a11fbf9672a9

MALICIOUS

PDF

797.8 KB Created: 2011-05-26 13:15:33 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 2a0345a6b2b39a32875e65462fca98c5 SHA-1: a2062349788a541ae3ea819b39714c49e71de07d SHA-256: 4d50a11fbf9672a935ea42086b4ab3971dccf492405cc5509d0e02002999d993

62 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that contains a critical heuristic firing for the CVE_2008_2551 exploit. This exploit is known to download and execute a secondary payload. The embedded URL http://artisanballoonz.com/system/system.exe is flagged as unknown reputation and is the likely source of the payload. No scripts were extracted from this sample.

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_002_off0000095d.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x95D	73272 bytes

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