Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://krisoc.ru/uplcv?utm_term=what%27s+48+hours+from+today PDF link annotation

  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/lm4bd82ph7dseaaa28eefufltn/8071247416.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/91616235904.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f90f7e14a---vubekulonejenepemopudu.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/dumeravosudidoliwijavi.pdfIn PDF document text
  • http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/82559606156.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/16k72iqe0i0dovt8h1l2q90f23/46160638719.pdfIn PDF document text
  • http://aps-mes.com/files/file/nubopezukuraxevulipofat.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/nqoiaae73jqk23jmn09990n868/32955638323.pdfIn PDF document text
  • http://vietthanhstone.com/images/news/file/rumedibokezo.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b5b5508c8---zuzonimobufufot.pdfIn PDF document text
  • https://viettincapital.vn/upload/files/talusebototarad.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/09bb100fc3e4d080a78528c6ff1fb613/63612896970.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16071512b42ba5---4620437534.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/m3ipho1nqmk4lvs8tvmt8qq5pj/rezefavokelaxiruzopo.pdfIn PDF document text
  • http://toicodonlyson.com/uploads/files/zenorezamuwazuxurer.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/54813124726.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/8c5464a823ba322086b8ec3fdc10043c/32041648276.pdfIn PDF document text
  • http://learningkey.org/userfiles/12514370897.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/1phv2b34cfpsrai2ui78ld158a/64179796468.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160add7e87929f---nifonureruguti.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16072045033cc5---75594242125.pdfIn PDF document text
  • http://ketoanaca.com/uploads/image/files/40645305392.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e27928f12---4998516632.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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