PDF malware analysis — malicious · cd5610c9947a53e4

MALICIOUS

PDF

49.4 KB Created: 2011-05-17 09:20:01 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))

MD5: 6e5fa282489f7067a3bb295e7e7cc457 SHA-1: dc073f317630d152a64ce84fd206eb983d858882 SHA-256: cd5610c9947a53e4d0a8aa91cf707fa2a5443157b8ff5cc3396ccb7b826c7df1

60 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The sample is a PDF document that contains a marker for the C6 Messenger DownloaderActiveX exploit (CVE-2008-2551). It also embeds a URL that points to a potential executable payload. The primary attack vector appears to be exploiting a vulnerability within the PDF reader to download and run the executable from http://artisanballoonz.com/system/system.exe.

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_off0000070b.bin` `80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x70B	73272 bytes

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