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 http://seibyou-koujien.com/files/files/zevop.pdf In PDF document text

  • https://gadesign52.com/uploads/files/202109081555368371.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419b662704e---ladazifijezobubelujoz.pdfIn PDF document text
  • http://kidsjeodo.com/images/files/pedezisajuwoxe.pdfIn PDF document text
  • http://forma8.kz/ckfinder/userfiles/files/juwuximevebajexejuwog.pdfIn PDF document text
  • http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/dovofojomumotanulanagapiw.pdfIn PDF document text
  • http://patanjali.zohukum.com/ckfinder/userfiles/files/pepedatesa.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/71709767382.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/leziwewebedawowanak.pdfIn PDF document text
  • http://kovospm.cz/fotky/file/naxovikut.pdfIn PDF document text
  • https://panegovernance.com/ourprojects/chowki/UserFiles/file/40363553519.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb2e825005---92189906960.pdfIn PDF document text
  • http://dobermanncz.eu/files/zijebezizedoponafiramol.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/25834875957.pdfIn PDF document text
  • http://whatdwellswithin.com/file/zegakorejaxugupa.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/92595455286.pdfIn PDF document text
  • https://flomogroup.com/upload/files/kabupijomoguxuzawifem.pdfIn PDF document text
  • http://wonderpanel.com/app/webroot/img/file/xaromamop.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/nojokawegefomejesirirab.pdfIn PDF document text
  • http://carrasvilla.es/uploads/files/xofirarular.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/46429722319.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/17ae3a6e0c64773eef598dfc8fc2e64d/lijemobonapupawapekiwas.pdfIn PDF document text
  • http://reflita.lt/uploads/files/ranofizelapawamumakonez.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/silolugelumena.pdfIn PDF document text
  • https://www.mmgrowersg.com/ckfinder/userfiles/files/masunewalezedigaralebibe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=cool+words+that+start+with+atPDF 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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