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=urinary-system-chapter-review-answers.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=urinary-system-chapter-review-answers.pdfIn PDF document text
  • http://www.slader.com/textbook/9780030367694-modern-biology/In PDF document text
  • http://shutupbill.com/pdfs/chapter-5-anatomy-and-physiology-coloring-workbook-answers.pdfIn PDF document text
  • http://www.nursing.jbpub.com/psychiatric/reviewQuestions.cfm?step=2&chapter=91&test=4In PDF document text
  • http://mitiendasalud.com/cystex-urinary-pain-relief-tablets-40-tabs-dse-healthcare/In PDF document text
  • http://spinabifidaassociation.org/faqs-about-sb/In PDF document text
  • https://www.dietspotlight.com/bio-k-plus-review/In PDF document text
  • https://www.dietspotlight.com/supplement-manufacturer/In PDF document text
  • https://labtestsonline.org/conditions/hepatitisIn PDF document text
  • http://perfecthealthdiet.com/notes/In PDF document text
  • http://riverside-resort.net/1/world-apos-s-greatest-puzzles-1st-edition.pdfIn PDF document text
  • http://riverside-resort.net/1/wiring-diagrams-for-car-trailer-plugs.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sudoku-genius-144-of-the-most-fiendish-puzzles-ever-devised.pdfIn PDF document text
  • http://riverside-resort.net/1/wiley-answers-physics-how-stuff-works.pdfIn PDF document text
  • http://riverside-resort.net/1/uss-woodrow-wilson-ssbn-624.pdfIn PDF document text
  • http://riverside-resort.net/1/website-resolutions.pdfIn PDF document text
  • http://riverside-resort.net/1/windows-server-2008-administrator-knowledge-assessment-answers.pdfIn PDF document text
  • http://uncpbisdegree.com/1/the-best-american-magazine-writing-2014.pdfIn PDF document text
  • http://riverside-resort.net/1/volvo-240-charging-diagram.pdfIn PDF document text
  • http://uncpbisdegree.com/1/signal-processing-and-linear-systems-solution-manual.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://study.com/academy/practice/quiz-worksheet-gross-anatomy-of-the-urinary-system.htmlIn PDF document text
  • http://www.philly.com/philly/archives/In PDF document text
  • http://www.menopause.org/publications/clinical-care-recommendations/chapter-3-clinical-issuesIn PDF document text
  • https://en.wikipedia.org/wiki/Bladder_stoneIn PDF document text
  • https://study.com/academy/lesson/male-reproductive-system-functions-organs-anatomy.htmlIn PDF document text
  • http://www.answers.com/Q/In PDF document text
  • https://opentextbc.ca/anatomyandphysiology/chapter/25-4-microscopic-anatomy-of-the-kidney/In PDF document text
  • https://opentextbc.ca/anatomyandphysiology/chapter/9-1-classification-of-joints/In PDF document text
  • https://quizlet.com/216895065/peds-practice-chapter-21-nursing-care-of-the-child-with-an-alteration-in-eliminationgenitourinary-disorder-flash-cards/In PDF document text
  • https://play.kahoot.it/In PDF document text
  • http://www.uptodate.com/contents/{{configCtrl2.info.canonicalUrlIn PDF document text
  • https://www.vitaminshoppe.com/p/new-chapter-bone-strength-take-care-targetcal-120-tablets/cn-2090#In PDF document text
  • https://www.nap.edu/read/21794/chapter/4In 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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