Malicious PDF — malware analysis report

Static analysis result for SHA-256 a918e7071e78b623…

MALICIOUS

PDF

56.4 KB Created: 2011-06-22 16:32:43 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 85aa8946d02fc315607f28201de9a4cc SHA-1: 6a1336e6bf03998fe332cc06e5b0bb6436620ea6 SHA-256: a918e7071e78b6236d199992c3a9f9fee908015e10df7731cdccbcc1e89fb498
60 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF contains a marker for the CVE-2008-2551 DownloaderActiveX exploit. It also embeds a URL that points to a potential executable payload. The exploit likely facilitates the download and execution of the 'system.exe' file from the 'artisanballoonz.com' domain.

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.

FilenameKindSourceSize
stream_009_off0000220a.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x220A 73272 bytes