Malicious PDF — malware analysis report

Heuristics 5

• 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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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=stalking-shadows-scary-mary-2-sa-hunter.pdf In PDF document text

  • http://uncpbisdegree.com/download4.php?q=stalking-shadows-scary-mary-2-sa-hunter.pdfIn PDF document text
  • http://www.gamesdownloadcity.com/movies_list/s.htmlIn PDF document text
  • http://www.dvber.co.uk/Channel+5In PDF document text
  • https://www.spirit-animals.com/wolf/In PDF document text
  • https://www.spirit-animals.com/category/land-animals/In PDF document text
  • http://www.lyrikseite.com/songtexte/songtexte_s.htmlIn PDF document text
  • http://www.hornywhores.net/In PDF document text
  • http://privilegeofparenting.com/2009/05/28/when-we-have-bad-dreams-about-our-children/In PDF document text
  • http://www.orgasmaniacs.com/galleries/page5.shtmlIn PDF document text
  • http://www.vomitbagvideo.com/In PDF document text
  • https://1mbed.com/In PDF document text
  • http://www.pangloss.com/seidel/MPoem/mass_poem.cgiIn PDF document text
  • http://riverside-resort.net/1/si-janus-silang-at-ang-tiyanak-ng-tabon-edgar-calabia-samar.pdfIn PDF document text
  • http://riverside-resort.net/1/the-divine-arsonist-a-tale-of-awakening-jacob-nordby.pdfIn PDF document text
  • http://riverside-resort.net/1/tile-backing-material.pdfIn PDF document text
  • http://riverside-resort.net/1/the-rules-tm-dating-journal.pdfIn PDF document text
  • http://riverside-resort.net/1/skepticism-justification-and-explanation.pdfIn PDF document text
  • http://riverside-resort.net/1/starting-a-business-in-france-a-step-by-step-guide.pdfIn PDF document text
  • http://riverside-resort.net/1/systemax-kma3500-desktops-owners-manual.pdfIn PDF document text
  • http://riverside-resort.net/1/sendi-pemenang-osn-tingkat-sd-2018-prov-jabar.pdfIn PDF document text
  • http://riverside-resort.net/1/the-cydonian-pyramid-klaatu-diskos-2-pete-hautman.pdfIn PDF document text
  • http://riverside-resort.net/1/study-in-asia-scholarship-program.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://tvtropes.org/pmwiki/pmwiki.php/Main/IronicNurseryTuneIn PDF document text
  • https://www.nationalgeographic.com/magazine/In PDF document text
  • https://www.telegraph.co.uk/culture/In PDF document text
  • https://www.amazon.com/books-used-books-textbooks/b?node=283155In PDF document text
  • https://eksisozluk.com/In PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=TR_EN&a=https%3a%2f%2feksisozluk.com%2fIn PDF document text
  • https://mail.google.com/mail/u/0/In PDF document text
  • https://americanindiansinchildrensliterature.blogspot.com/In PDF document text
  • https://www.hollywoodreporter.com/In PDF document text
  • http://www.loot.co.za/index/html/index4234.htmlIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=DE_EN&a=http%3a%2f%2fwww.lyrikseite.com%2fsongtexte%2fsongtexte_s.htmlIn PDF document text
  • https://www.telegraph.co.uk/news/In PDF document text
  • http://tvtropes.org/pmwiki/pmwiki.php/Main/EvilTwinIn PDF document text
  • http://www.microsofttranslator.com/bv.aspx?ref=SERP&br=ro&mkt=en-US&dl=en&lp=FR_EN&a=https%3a%2f%2f1mbed.com%2fIn PDF document text
  • https://it.wikipedia.org/wiki/EBookIn 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%2fEBookIn 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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