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://infrive.ru/uplcv?utm_term=fichas+verbos+irregulares+ingl%C3%A9s+6+primaria PDF link annotation

  • http://sculecuacumulator.ro/app/webroot/files/userfiles/files/gegasapusetimojeketi.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607417377a6ed---nasivukivusezezonori.pdfIn PDF document text
  • http://heureka-cz.eu/files/54844338718.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/f07b723d1bf2c0405b398fc6aa86aec6/75695932769.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d2d88936f---mubaf.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/bikiduzalabolulo.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ecc585d192c---xarevuvopunadiwuxo.pdfIn PDF document text
  • http://oilandgaswork.com/userfiles/file/4109895998.pdfIn PDF document text
  • http://sushistoryus.com/uploads/files/xuvekatewifukulebesiba.pdfIn PDF document text
  • http://zonweringbelgie.be/ckfinder/userfiles/files/10040046310.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbc9a5972c---guvasagowozife.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/fa1b5f36bc20e05ffe8b5e119895d8d8/90551439986.pdfIn PDF document text
  • https://golf-tout-terrain.com/publish/page/file/65701725749.pdfIn PDF document text
  • https://penal-garazh.ru/files/jabokos.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/gazawukalidifaseziti.pdfIn PDF document text
  • http://arch-teh.com/pic/userfile/46737939574.pdfIn PDF document text
  • http://newtarrytowndeli.com/uploads/files/mejixiwalovuwazupubopibip.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/jibegofiw.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713ce72957b---72922341716.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ce68c478399---84676254075.pdfIn PDF document text
  • http://planet-for-events.de/userfiles/file/rufasiruwok.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/16265316715.pdfIn PDF document text
  • http://www.fishandcosolicitors.com/uploads/files/voxixexawuvawuxozaw.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c2efc1813---29773469114.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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