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-superalloys-fundamentals-and-applications.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=the-superalloys-fundamentals-and-applications.pdfIn PDF document text
  • http://ajaxtocco.com/default.asp?ID=3In PDF document text
  • http://www.engconf.org/conferences/biotechnology/In PDF document text
  • http://www.engconf.org/conferences/conference-calendar/In PDF document text
  • http://www.tms.org/TMS2018/Programming/TMS2018_Technical_Programming/TMS2018/Programming/TMS2018_Technical_Programming.aspx?hkey=068b7788-579a-4cdc-9d92-cf55fb6ef7d4In PDF document text
  • http://allaboutmetallurgy.com/wp/library/In PDF document text
  • http://www.imoa.info/molybdenum-media-centre/downloads/index.phpIn PDF document text
  • http://www.shareinvestor.com/fundamental/factsheet.html?counter=40F.SIIn PDF document text
  • http://www.icams.de/content/events/In PDF document text
  • https://matdata.asminternational.org/matinfo/index.jspIn PDF document text
  • http://www.dierk-raabe.com/strip-casting-of-steel/In PDF document text
  • http://www.martindalecenter.com/Calculators4_1_Aero.htmlIn PDF document text
  • http://uncpbisdegree.com/1/sy-bsc-chemistry-syllabus-2018-mumbai-university.pdfIn PDF document text
  • http://uncpbisdegree.com/1/the-15-scariest-urban-legends.pdfIn PDF document text
  • http://uncpbisdegree.com/1/tarot-spreads-for-love-career-and-more-get-your-questions-answered.pdfIn PDF document text
  • http://riverside-resort.net/1/vba-programming-for-microsoft-project-98-through-2010-with-an-introduction-to-vsto.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sunpentown-wa-1091s-air-conditioners-owners-manual.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sorbent-deformation-vol-13.pdfIn PDF document text
  • http://uncpbisdegree.com/1/texas-state-board-of-examiners-of-professional-counselors-jurisprudence-exam.pdfIn PDF document text
  • http://riverside-resort.net/1/warranty-card-design-software.pdfIn PDF document text
  • http://riverside-resort.net/1/usborne-book-of-christmas-poems.pdfIn PDF document text
  • http://uncpbisdegree.com/1/sister-short-story-by-pauline-smith.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/SuperalloyIn PDF document text
  • http://www.dtic.mil/dtic/tr/fulltext/u2/614707.pdfIn PDF document text
  • https://mse.osu.edu/people/mills.108In PDF document text
  • https://mse.osu.edu/directoryIn PDF document text
  • https://en.wikipedia.org/wiki/CombustorIn PDF document text
  • https://de.wikipedia.org/wiki/SuperlegierungIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=DE_EN&a=https%3a%2f%2fde.wikipedia.org%2fwiki%2fSuperlegierungIn PDF document text
  • https://www.sciencedirect.com/science/article/pii/S1359645416306759In PDF document text
  • https://it.wikipedia.org/wiki/FerromagnetismoIn 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%2fFerromagnetismoIn 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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