Malicious PDF — malware analysis report

Static analysis result for SHA-256 2feac7d491fa6f5c…

MALICIOUS

PDF

55.3 KB Created: 2011-05-17 09:11:24 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 0e1773ba04bf35c3d0d9e132488cca6b SHA-1: 1e0b9d1a8e2d6bc4af60abe045aa52d77af9bddc SHA-256: 2feac7d491fa6f5c0de02e4199d29b2cc8536021c55e64687fb4d172579a6ddf
62 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file contains a critical heuristic firing for CVE_2008_2551, indicating it exploits a known vulnerability. The embedded URL points to a potential second-stage executable, 'system.exe', which is highly suspicious. The document body contains numerous benign URLs, likely used as decoys or to blend in.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://www.presstv.ir/Persian.aspx?id=10346
    • http://www.presstv.ir/Persian.aspx?id=10348
    • http://www.presstv.ir/Persian.aspx?id=10349
    • http://www.farsnews.com/newstext.php?nn=8903101737
    • http://www.iribnews.ir/Default.aspx?Page=MainContent&news_num=228473
    • http://www.irna.ir/View/FullStory/?NewsId=1149716
    • http://www.presstv.ir/Persian.aspx?id=10350
    • 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_005_off00001e57.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E57 73272 bytes

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