Malicious PDF — malware analysis report

Static analysis result for SHA-256 d029c56c200844d2…

MALICIOUS

PDF

56.7 KB Created: 2011-05-17 08:42:20 Authoring application: Joomla! 1.5 - Open Source Content Management (via TCPDF 3.0.015 (http://www.tcpdf.org))
MD5: 5cb2ae094ff6ae10e7c6bcbc12482abe SHA-1: bc291abde5c31fe0fb06911a75d52da3657768bc SHA-256: d029c56c200844d2cf5a150d54597ab0e8c3097cd83b64dafaa44565801177dd
62 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains a marker for the CVE-2008-2551 C6 Messenger DownloaderActiveX exploit. This exploit is designed to download and execute a secondary payload from a remote location. While several URLs are present, they are all marked as benign, suggesting the exploit likely targets a different, unlisted URL or a different exploit mechanism.

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.irna.ir/View/FullStory/?NewsId=1225289
    • http://www.farsnews.com/newstext.php?nn=8904230102
    • http://www.presstv.ir/detail.fa.aspx?id=134657&sectionid=351021501
    • http://www.farsnews.com/newstext.php?nn=8904230001
    • http://www.farsnews.com/newstext.php?nn=8904230024
    • http://www.presstv.ir/detail.fa.aspx?id=134617&sectionid=351021504
    • http://www.presstv.ir/detail.fa.aspx?id=134625&sectionid=351021509
    • http://www.presstv.ir/detail.fa.aspx?id=134663&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=134626&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=134605&sectionid=351021506
    • http://www.presstv.ir/detail.fa.aspx?id=134667&sectionid=351021507
    • http://www.presstv.ir/detail.fa.aspx?id=134612&sectionid=351021503
    • http://www.presstv.ir/detail.fa.aspx?id=134582&sectionid=351021507
    • http://www.farsnews.com/newstext.php?nn=8904220149
    • 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_004_off000023f5.bin
80ce46be3b4d5733393d911e720cc341eac961413bc8841086c1643fee9fc14b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x23F5 73272 bytes

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