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=shahnameh-the-persian-book-of-kings-abolqasem-ferdowsi.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=shahnameh-the-persian-book-of-kings-abolqasem-ferdowsi.pdfIn PDF document text
  • http://www.royalty.nu/MiddleEast/Iran/index.htmlIn PDF document text
  • http://riverside-resort.net/1/www-erasmus-mundus.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sweet-dreams-extended-cut-edition-hard-boiled-thriller-a-mark-appleton-thriller-book-1.pdfIn PDF document text
  • http://uncpbisdegree.com/1/the-great-tamasha-cricket-corruption-and-the-turbulent-rise-of-modern-india.pdfIn PDF document text
  • http://uncpbisdegree.com/1/structural-engineering-research-papers.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sony-kp-51hw40-service-manual.pdfIn PDF document text
  • http://riverside-resort.net/1/walmart-leadership-assessment-test-answers.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sir-robert-peel-an-historical-sketch.pdfIn PDF document text
  • http://riverside-resort.net/1/yamaha-f50-outboard-workshop-manual.pdfIn PDF document text
  • http://riverside-resort.net/1/wedding-card-design-maker.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sra-test-with-answer.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://en.wikipedia.org/wiki/ShahnamehIn PDF document text
  • https://en.wikipedia.org/wiki/FerdowsiIn PDF document text
  • https://pt.wikipedia.org/wiki/PoetaIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=PT_EN&a=https%3a%2f%2fpt.wikipedia.org%2fwiki%2fPoetaIn PDF document text
  • https://www.weblio.jp/wkpja/content/%E8%A9%A9_%E8%A9%A9%E5%9E%8BIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=JA_EN&a=https%3a%2f%2fwww.weblio.jp%2fwkpja%2fcontent%2f%25E8%25A9%25A9_%25E8%25A9%25A9%25E5%259E%258BIn PDF document text
  • https://www.weblio.jp/wkpja/content/%E8%A9%A9_%E3%82%B8%E3%83%A3%E3%83%B3%E3%83%ABIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=JA_EN&a=https%3a%2f%2fwww.weblio.jp%2fwkpja%2fcontent%2f%25E8%25A9%25A9_%25E3%2582%25B8%25E3%2583%25A3%25E3%2583%25B3%25E3%2583%25ABIn PDF document text
  • https://ja.wikipedia.org/wiki/%E8%A9%A9In PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=JA_EN&a=https%3a%2f%2fja.wikipedia.org%2fwiki%2f%25E8%25A9%25A9In 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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