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://synerhu.ru/uplcv?utm_term=emoji+changer+app PDF link annotation

  • https://coaching-jk-academic.com/ckfinder/userfiles/files/lomemataki.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/59382347956.pdfIn PDF document text
  • https://e-midas.ro/files/file/powelefikigumudebokim.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/69532205990.pdfIn PDF document text
  • http://muabannhagiare.net/images/uploads/files/12754814697.pdfIn PDF document text
  • http://stensoproject.com/userfiles/files/milawoxelifupagezewif.pdfIn PDF document text
  • http://fizjoactiv.eu/Upload/file/12977504149.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/nenugafetuwumadunen.pdfIn PDF document text
  • http://moiarchitekci.pl/pliki/file/4914427328.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/ohcuctnne1845uo9kucaqr8q8r/pajebirekotexatiluzamas.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/256bpqd10vgekkgi4stpfibu32/denijele.pdfIn PDF document text
  • http://metapolar.hu/tmp/biwexejufow.pdfIn PDF document text
  • http://fantacyhandicraft.com/userfiles/file/81048202978.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/sefatofabuzi.pdfIn PDF document text
  • http://infinity-c-t.com/userfiles/file/viwikojigizemesi.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/kasoxelebubovanadexonez.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131b0da60778---gabovalaka.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16138c1ed5f401---vupujebabigurekexu.pdfIn PDF document text
  • http://zeci.nl/im/image/nogidanumowakukokop.pdfIn PDF document text
  • http://tzoetemondje.be/uploads/files/rusobutevow.pdfIn PDF document text
  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/88354831360.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/12736813996.pdfIn PDF document text
  • http://tochuchoinghi.org/files/gatidomubegejapibina.pdfIn PDF document text
  • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/58593865638.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/809ee6028cd833a74be9fe62a7c34d9e/22607576866.pdfIn PDF document text
  • http://peoplefineart.com/assets/202109/files/20210907024703765133.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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