Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d29b51f3444d81c…

MALICIOUS

PDF

22.5 KB Created: 2019-05-03 05:09:48 +01:00 Authoring application: mPDF 5.7
MD5: 8a981605a62b272147e9758aa2f8bd4f SHA-1: 5b1e78db25061689a47e147286ff48534dbe7b1b SHA-256: 1d29b51f3444d81c61c56e4f2d8af08af68e1c3a3e4f659d2af098da71b77db3
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence. The embedded URLs are likely used for SEO manipulation or to redirect users to malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://kiteeearpdf.myhome.cx/2f210f219f210f212f216/Armchair-Economist-Economics-amp-Everyday-Life-by-Steven-E-Landsburg.pdf
    • http://kiteeearpdf.myhome.cx/4f215f214f213f215f216/More-Sex-Is-Safer-Sex-The-Unconventional-Wisdom-of-Economics-by-Steven-E-Landsburg.pdf
    • http://kiteeearpdf.myhome.cx/2f212f214f214f216f217/More-Sex-Is-Safer-Sex-The-Unconventional-Wisdom-of-Economics-by-Steven-E-Landsburg.pdf
    • http://kiteeearpdf.myhome.cx/5f211f215f211f215f211/Economics-for-Life-An-economist-reflects-on-the-meaning-of-life-money-and-what-really-matters-by-Ian-Harper.pdf
    • http://kiteeearpdf.myhome.cx/3f214f214f213f212f218/Mind-Wide-Open-Your-Brain-and-the-Neuroscience-of-Everyday-Life-by-Steven-Johnson.pdf
    • http://kiteeearpdf.myhome.cx/2f211f213f215f213f216/Mind-Wide-Open-Your-Brain-and-the-Neuroscience-of-Everyday-Life-by-Steven-Johnson.pdf
    • http://kiteeearpdf.myhome.cx/5f210f211f215f218f212/Freakonomics-A-Rogue-Economist-Explores-the-Hidden-Side-of-Everything-by-Steven-D-Levitt.pdf
    • http://kiteeearpdf.myhome.cx/1f217f212f211f219f212/Freakonomics-A-Rogue-Economist-Explores-the-Hidden-Side-of-Everything-by-Steven-D-Levitt.pdf
    • http://kiteeearpdf.myhome.cx/4f210f212f216f214f214/Freakonomics-A-Rogue-Economist-Explores-the-Hidden-Side-of-Everything-by-Steven-D-Levitt.pdf
    • http://kiteeearpdf.myhome.cx/2f218f214f217f212f218/Freakonomics-A-Rogue-Economist-Explores-the-Hidden-Side-of-Everything-by-Steven-D-Levitt.pdf
    • http://kiteeearpdf.myhome.cx/4f219f211f218f216/The-Everyday-Life-Bible-The-Power-of-God-s-Word-for-Everyday-Living-by-Anonymous.pdf
    • http://kiteeearpdf.myhome.cx/5f210f218f213f216f214/From-Economics-Imperialism-to-Freakonomics-The-Shifting-Boundaries-between-Economics-and-other-Social-Sciences-Economics-as-Social-Theory-by-Ben-Fine.pdf
    • http://kiteeearpdf.myhome.cx/8f210f210f219f217f219/The-Economics-of-Public-Issues-HarperCollins-Series-in-Economics-by-Roger-LeRoy-Miller.pdf
    • http://kiteeearpdf.myhome.cx/4f212f219f214f219f217/God-Is-Here-Connecting-with-Him-in-Everyday-Life-by-Steve-Case.pdf
    • http://kiteeearpdf.myhome.cx/2f215f216f214f218f215/The-Presentation-of-Self-in-Everyday-Life-by-Erving-Goffman.pdf
    • http://kiteeearpdf.myhome.cx/4f211f211f216f213f210/The-Presentation-of-Self-in-Everyday-Life-by-Erving-Goffman.pdf
    • http://kiteeearpdf.myhome.cx/4f211f215f210f214f218/Aikido-in-Everyday-Life-Giving-in-to-Get-Your-Way-by-Victor-Miller.pdf
    • http://kiteeearpdf.myhome.cx/4f214f219f211f212f210/How-to-Dunk-a-Doughnut-The-Science-Of-Everyday-Life-by-Len-Fisher.pdf
    • http://kiteeearpdf.myhome.cx/3f219f216f217f212f214/Wherever-You-Go-There-You-Are-Mindfulness-Meditation-in-Everyday-Life-by-Jon-Kabat-Zinn.pdf
    • http://kiteeearpdf.myhome.cx/4f211f214f212f211f213/The-Mindfulness-Solution-Everyday-Practices-for-Everyday-Problems-by-Ronald-D-Siegel.pdf
    • http://kiteeear

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