Malicious PDF — malware analysis report

Heuristics 4

• Fake 'free download' SEO-poisoning PDF critical PDF_SEO_FAKE_DOWNLOAD
  The ML classifier flagged this PDF AND it carries a visual download/call-to-action lure AND an off-domain server-side download-gateway link whose query string names a document payload. This three-signal conjunction is the fake-document / 'free PDF download' SEO-poisoning delivery pattern: the page is padded with benign decoy links to dilute classifier scores while funnelling the victim through the gateway to malware/scareware. Acting only on the conjunction keeps benign download-bearing PDFs from being misflagged.
• PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARM
  PDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://uncpbisdegree.com/download3.php?q=the-gods-themselves-isaac-asimov.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=the-gods-themselves-isaac-asimov.pdfIn PDF document text
  • http://www.asimovonline.com/asimov_FAQ.htmlIn PDF document text
  • http://www.asimovonline.com/oldsite/asimov_catalogue.htmlIn PDF document text
  • https://crosswordheaven.com/words/asimovIn PDF document text
  • http://www.storypilot.com/asimov.htmlIn PDF document text
  • http://www.storypilot.com/asimov2.htmlIn PDF document text
  • http://www.thrivenotes.com/the-last-answer/In PDF document text
  • http://www.rogerclarke.com/SOS/Asimov.htmlIn PDF document text
  • http://www.boekbeschrijvingen.nl/asimov-isaac/asimov.htmlIn PDF document text
  • http://www.godlessgeeks.com/LINKS/Quotes.htmIn PDF document text
  • http://riverside-resort.net/1/unit-iii-worksheet-3-asa-physics.pdfIn PDF document text
  • http://uncpbisdegree.com/1/statistical-quality-control-solution-manual.pdfIn PDF document text
  • http://uncpbisdegree.com/1/the-dawn-of-technicolor-1915-1935.pdfIn PDF document text
  • http://uncpbisdegree.com/1/solutions-isbn.pdfIn PDF document text
  • http://uncpbisdegree.com/1/statics-ch-2-solutions.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sex-songs.pdfIn PDF document text
  • http://uncpbisdegree.com/1/the-beheading-game.pdfIn PDF document text
  • http://uncpbisdegree.com/1/talent-show-comprehension-quiz.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sql-solutions-inc-v-oracle-corporation.pdfIn PDF document text
  • http://uncpbisdegree.com/1/solutions-to-end-of-chapter-4-problems-3-6-7-9-13.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://www.amazon.com/Gods-Themselves-Isaac-Asimov/dp/0553288105In PDF document text
  • https://www.amazon.com/Thrillers-Mystery-Books/b?ie=UTF8&node=10484In PDF document text
  • https://en.wikipedia.org/wiki/The_Gods_ThemselvesIn PDF document text
  • https://en.wikipedia.org/wiki/Isaac_AsimovIn PDF document text
  • http://tvtropes.org/pmwiki/pmwiki.php/Creator/IsaacAsimovIn PDF document text
  • https://nl.wikipedia.org/wiki/Isaac_AsimovIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=NL_EN&a=https%3a%2f%2fnl.wikipedia.org%2fwiki%2fIsaac_AsimovIn PDF document text
  • https://it.wikipedia.org/wiki/Isaac_AsimovIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=IT_EN&a=https%3a%2f%2fit.wikipedia.org%2fwiki%2fIsaac_AsimovIn PDF document text
  • https://es.wikipedia.org/wiki/Isaac_AsimovIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=NL_EN&a=http%3a%2f%2fwww.boekbeschrijvingen.nl%2fasimov-isaac%2fasimov.htmlIn PDF document text
  • http://tvtropes.org/pmwiki/pmwiki.php/Main/DeusEstMachinaIn PDF document text
  • http://www.cs.virginia.edu/~robins/quotes.htmlIn PDF document text
  • http://go.microsoft.com/fwlink/?LinkId=521839&CLCID=0409In PDF document text
  • http://go.microsoft.com/fwlink/?LinkID=246338&CLCID=0409In PDF document text
  • https://go.microsoft.com/fwlink/?linkid=868922In PDF document text
  • http://go.microsoft.com/fwlink/?LinkID=286759&CLCID=409In PDF document text
  • http://go.microsoft.com/fwlink/?LinkID=617297In PDF document text
  • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

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