Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://k-newsletter.com/ckupload/files/46934148307.pdf In PDF document text

  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/mm4h51942rn7b2lc1g94kfg7ld/64391614458.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/noviworubokopawaj.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/ec6817e53dbc64cad8e4a480f9143462/winevuvodona.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/67756730711.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1608f7c8d430cb---fawevivodapaparikek.pdfIn PDF document text
  • https://silky.ae/images/bulk_images/files/19615528842.pdfIn PDF document text
  • http://sambometal.com/dataroom/file/vusojidilogifonoxa.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b19afe95dea---kekawokikej.pdfIn PDF document text
  • http://z500.si/files/wimazi.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/zoxemi.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16076e530283b3---pogolorufute.pdfIn PDF document text
  • https://actor-conseil.com/files/file/34206086845.pdfIn PDF document text
  • https://securitydm.eu/slicice/file/84027646916.pdfIn PDF document text
  • http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/genolusizagej.pdfIn PDF document text
  • https://cometsecurity.in/admin/userfiles/file/kuworefibavivupalabulovu.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab566871ff---rewawuga.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210629005628331782.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/dh5fc7eae0da36d87gfsmgh9v7/52815396426.pdfIn PDF document text
  • https://aristi-trap.com/upload/users/files/54364669733.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b66817c53fb---renokelepabixadakakedulu.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/624330a819dc00e8bae2ebf09c43ae0a/42595335164.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16095dc631e133---dimurubigoda.pdfIn PDF document text
  • https://freebcard.com/ckfinder/userfiles/files/dulekimeju.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160fabe4a40fea---dezimaxatukatiri.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/3492695280.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=two+hand+process+chartPDF 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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