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=south-african-defence-force-studietrust.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=south-african-defence-force-studietrust.pdfIn PDF document text
  • http://www.savc.org.za/public-info/careers-a-bursariesIn PDF document text
  • https://bursaries-southafrica.co.za/study-trust-bursaries/In PDF document text
  • http://www.sars.gov.za/ClientSegments/Businesses/TEO/Pages/Approved-Section18A-PBOIn PDF document text
  • http://uncpbisdegree.com/1/suzuki-300-quadrunner-manual.pdfIn PDF document text
  • http://uncpbisdegree.com/1/stories-from-jonestown-leigh-fondakowski.pdfIn PDF document text
  • http://riverside-resort.net/1/volkswagen-t4-transporter-user-manual.pdfIn PDF document text
  • http://riverside-resort.net/1/us-navy-aircraft-carriers.pdfIn PDF document text
  • http://riverside-resort.net/1/you-are-clairvoyant-audio-cd.pdfIn PDF document text
  • http://riverside-resort.net/1/weber-36-idf-diagram.pdfIn PDF document text
  • http://uncpbisdegree.com/1/the-best-of-me-by-nicholas-sparks-free-download.pdfIn PDF document text
  • http://riverside-resort.net/1/wishful-kisses-a-champagne-kisses-novella-the-kisses-series.pdfIn PDF document text
  • http://riverside-resort.net/1/yul-lads-a-celebration-of-icelands-chris.pdfIn PDF document text
  • http://riverside-resort.net/1/with-the-light-vol-4-raising-an-autistic-child-v-4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.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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