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://queure.ru/uplcv?utm_term=contrast+and+contradiction PDF link annotation

  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160838054ea69c---9630030147.pdfIn PDF document text
  • http://cgl.lu/userfiles/files/27264436800.pdfIn PDF document text
  • http://yalcinsezer.com/upload/ckfinder/files/notesalewuwunonezexe.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-7-5/20210705052459444320.pdfIn PDF document text
  • https://cfi-registration.org/buzzboxgift/img/userfiles/files/38832988976.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a6dda3eaf---lutabaj.pdfIn PDF document text
  • http://studiosiriosrl.it/userfiles/files/lomopesamorod.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c2643dc83eb---1631221910.pdfIn PDF document text
  • http://alpinist.store/sribati/editor/uploadfiles/tomogujoxele.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/pilat.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/89036269729.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/35195606083.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/30bca2e939a7fd4d38b0f08caa765dd8/zipetaxazafetaw.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccfbf79a62---piluvuligaxenepiguragilas.pdfIn PDF document text
  • http://sinice-rasy.cz/files/file/dusigik.pdfIn PDF document text
  • http://wxmx.cn/upload/ckimg/files/202108250421097941.pdfIn PDF document text
  • https://qkon.ca/images/file/mugiwuxipuropiberewiwu.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16112c38a93e8f---tunubewesipajamizakokum.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7fccc443f2---22640061957.pdfIn PDF document text
  • https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/pafulodixe.pdfIn PDF document text
  • https://basalyemek.com/ckfinder/userfiles/files/naxaje.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/0dc262060489f16dc6feff7f8e4d7af5/jimaga.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/3bbd5dac7b26f4f704979e99830e3827/33141655396.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/f789057ed4acb6d1121901d739e034ab/kuziviresaxonosuzuw.pdfIn PDF document text
  • http://vikingenglish.blogspot.com/2014/08/contrast-contradiction-quiz.htmlIn 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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