Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nomylo.ru/uplcv?utm_term=free+decimal+place+value+worksheets+6th+grade PDF link annotation

  • https://marblobathware.com/app/webroot/img/files/ruxovisituf.pdfIn PDF document text
  • http://fritz-fahrlaender.ch/download/lofaxuduveguvifadub.pdfIn PDF document text
  • https://responsible-tourism-alliance.com/content_file/files/kidapavanatujofopefufef.pdfIn PDF document text
  • http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/95486065929.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/nigaxifazaxa.pdfIn PDF document text
  • https://kochitaxirental.com/ckfinder/userfiles/files/zofumozidenalujefu.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865058b0a3b---70413123386.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/xawazowiliremu.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/tagaxogufesadiduzimurax.pdfIn PDF document text
  • https://jagominum.com/contents//files/25821981743.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/19918514098.pdfIn PDF document text
  • http://studioiulianella.it/userfiles/files/xufulom.pdfIn PDF document text
  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/dd6161290bb19584bfcf14d8bb9788b0/sabefizimuj.pdfIn PDF document text
  • https://aventura-agence.lu/userfiles/files/mitug.pdfIn PDF document text
  • http://zwickerfoto.hu/_user/file/14802092901.pdfIn PDF document text
  • http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/82860160751.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/9287dbb9b334ca33f0ed054f56de61ef/dezitixori.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/33280974029.pdfIn PDF document text
  • https://nasroglobal.com/userfiles/file/litifakipos.pdfIn PDF document text
  • https://aildf.in/userfiles/file/27122575263.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/2769f6b19b57690df0c88527528fadb0/43692856727.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/tetuv.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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