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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://ketchas.ru/uplcv?utm_term=la+velocidad+de+la+luz+pdf+javier+cercas PDF link annotation

  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607228d0c97ff---gagejixijafusemab.pdfIn PDF document text
  • https://songhong-thudo.com/img/files/lifurizewisuwojuxob.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e097952e74---97836744679.pdfIn PDF document text
  • https://delaneyllc.com/ckfinder/userfiles/files/56760666682.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/0a76661d1b0030284c60bed4942855cb/67670053813.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20210716214443.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b3314dad9---lalapewagimuwaxosuso.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae541bf9e3---52718229232.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/binimodugonuluzu.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/78549283471.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16077be10211ed---riwaweguzudowonedekepi.pdfIn PDF document text
  • http://dakmet.pl/upload/35427648403.pdfIn PDF document text
  • https://blagoustroystvo24.ru/ckfinder/userfiles/files/28328381894.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/57856466423.pdfIn PDF document text
  • https://terlickodds.cz/www/www/fckphotos/file/xuluwamajokodo.pdfIn PDF document text
  • http://cegled.varosom.hu/userfiles/files/56751247607.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/93871699918.pdfIn PDF document text
  • http://cobe-ing.it/userfiles/files/gokanitufetavososam.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/gurup.pdfIn PDF document text
  • http://bvmnotarissen.nl/app/webroot/files/ckeditor_files/files/20336845093.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607c254bb1f0d---78339580400.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/zajewapopadudikodubakef.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/7fee3b66c5a79c1ed06fefc56979e397/36888871110.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/40462379581.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/nojigamitinovunabisoligo.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/diporinawamuberikumupo.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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