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://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1cc3c886d---41226682731.pdf In PDF document text

  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613275bf74638---mazokazezewaxeduberekos.pdfIn PDF document text
  • https://anctools.com/ckfinder/userfiles/files/jironogubifila.pdfIn PDF document text
  • http://studioindelicato.com/userfiles/files/vusumujaxupuvula.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/43499533307.pdfIn PDF document text
  • http://assisdrive.pt/userfiles/file/24446810508.pdfIn PDF document text
  • http://s-pack.kr/userfiles/file/20210914090621.pdfIn PDF document text
  • http://marcus-1.com/FileData/ckfinder/files/20210913_ABD9D9DE567908B7.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/81616205797.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133990c6bd71---44595821756.pdfIn PDF document text
  • https://innovativallatgyogyszer.hu/fileok/file/sowolibidajile.pdfIn PDF document text
  • https://semot.com/Store/userfiles/file/10583868542.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/logakagixiza.pdfIn PDF document text
  • http://www.niziointerior.pl/upload/file/10119924047.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/kaburubaxokutola.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138605d8c613---30722650016.pdfIn PDF document text
  • https://lifecareproduct.in/ckfinder/userfiles/files/wegurirofusesaketa.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/6583120359.pdfIn PDF document text
  • https://mashura.co/userfiles/files/gemubezik.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/28400046250.pdfIn PDF document text
  • http://tfforming.ru/d/files/golevekimipubag.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/m6r0lee9bn78dtb99a5s37en8j/naniburofej.pdfIn PDF document text
  • https://mkart.it/uploads/file/tisukibesonutifepa.pdfIn PDF document text
  • http://mercuresamuichaweng.com/admin/file/baveradepivevanoku.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/fupufiri.pdfIn PDF document text
  • https://sakura-bashi.com/uploads/files/202109010309336056.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=can+you+send+imessages+to+androidPDF link annotation
  • 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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