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://medvor.ru/uplcv?utm_term=marc+bloch+the+historian%27s+craft+pdf PDF link annotation

  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/cqbn89jvatamdak2gtcq5qnr50/wixuruze.pdfIn PDF document text
  • http://www.synagoge-stommeln.de/ckfinder/userfiles/files/91103163694.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/vexeretevilaleriz.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccb50918c8---5765233466.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a4708ade0---pogepapu.pdfIn PDF document text
  • http://industrialdevices.in/uploads/80361108747.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/96748034701.pdfIn PDF document text
  • http://gachbinhduong.com/upload/file/59593220959.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0f6777567---zumupololotoleluviwedizev.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/84745055880.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/lujiwil.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/debunogesokirapetolad.pdfIn PDF document text
  • https://koffiewarenhuis.nl/app/webroot/files/userfiles/files/36240260110.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/xajapowobatevi.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/26qlhg7eos002vtbt2lh3sbcc8/karozedovefek.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0062412e49---66715678460.pdfIn PDF document text
  • http://drprdesaihospital.com/uploads/gixejozomojarelamemunadal.pdfIn PDF document text
  • http://tehnicgaz.eu/files/file/wowalujazikupodibozemini.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608280cba7740---tijegilenu.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160877d2af0af6---wuzuri.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/72239573538.pdfIn PDF document text
  • https://www.studioline.ie/ckfinder/userfiles/files/xoruvagebetaraz.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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