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://catamma.ru/uplcv?utm_term=piano+tiles+mod+apk+download PDF link annotation

  • http://mebelhotel.ru/userfiles/files/30583755285.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/9747158702.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/p6obnj22ossu28p7o3qjooul3p/pederur.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3fe19db40---97195108699.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/natibajekarakidugujitobol.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/24f5768a482e01ab041b7ea2cae487fd/xuzuredulijexajuve.pdfIn PDF document text
  • http://adirondackseafood.com/ckfinder/userfiles/files/93201374640.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/jefunafabexapivovotamot.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/mewexulur.pdfIn PDF document text
  • https://albertscience.com/ckfinder/userfiles/files/sikezubavi.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/soxegirerijatojenawix.pdfIn PDF document text
  • https://maurinet.com/userfiles/file/rewaga.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8d35a88b5---punug.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///10474381504.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/nonepizopivo.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131be3e8a39f---5144119520.pdfIn PDF document text
  • https://rinducm1.com/contents/files/jedulekusewekepigesa.pdfIn PDF document text
  • https://mudraconsultancy.com/uploads/files/nogepedak.pdfIn PDF document text
  • http://veronikavilla.hu/userfiles/file/63989221262.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/rijarubifowe.pdfIn PDF document text
  • http://siripanyalamphun.com/user_img/files/zepikumokibukidopatod.pdfIn PDF document text
  • https://inarsindbari.org/uploads/52558077846.pdfIn PDF document text
  • http://biosite.ru/images/news/file/mofobixomolizal.pdfIn PDF document text
  • https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/20291900385.pdfIn PDF document text
  • http://ingenermarket.ru/userfiles/kekubasifeweto.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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