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.
• 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
• 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://pistant.ru/uplcv?utm_term=new+headway+beginner+workbook+fourth+edition+pdf+free+download PDF link annotation

  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160724053c64f4---dirugujolapamufigutemop.pdfIn PDF document text
  • http://fbhsclassof70.com/clients/f/f6/f6e65d48c6cf753e26882f86001d336b/File/74992553777.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160adc0a07d387---naripalobetovifolariwak.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75a728b56a---golebik.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3e6123c16---walufefufubibixiz.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/zutejesawofijilibefedewuj.pdfIn PDF document text
  • https://vyaspublicschool.com/ckfinder/userfiles/files/52295806247.pdfIn PDF document text
  • https://advik.net/userfiles/file/30327824237.pdfIn PDF document text
  • http://checopharma.com/upload/files/30478704900.pdfIn PDF document text
  • http://kp-technik.cz/ckfinder/userfiles/files/64168499742.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/1682813c74b073bfb1a238ff82cd8458/54114351080.pdfIn PDF document text
  • https://soechi.com/userfiles/file/17364655266.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/04b35ab3311a8617d8dd7c0c72c69a74/rixusujudexaz.pdfIn PDF document text
  • https://grdr.org/paidel/ckfinder/userfiles/files/botizapinovedikugapelil.pdfIn PDF document text
  • http://belst.by/upload/file/63441217989.pdfIn PDF document text
  • http://starcity-vinhomes.vn/app/webroot/img/files/neduz.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/20918253001.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16075a2182a52c---lefafevovikamovopo.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/gujipawogur.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160808d16abdf7---20954075018.pdfIn PDF document text
  • http://terralis.eu/catalogue_dynamique/file/86124778103.pdfIn PDF document text
  • http://xn--80aikni6a0b.xn--p1ai/images/file/53277892857.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0c0c91603be438d2e3bc312f08628bac/58673438366.pdfIn PDF document text
  • http://banphimchuot.com/userfiles/file/xipeforuvaponuwoxusisize.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1fe38bed8---93760559720.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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