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://medvor.ru/uplcv?utm_term=the+hindu+newspaper+editorial+page+today+pdf PDF link annotation

  • https://muratay.nl/userfiles/file/31966189322.pdfIn PDF document text
  • http://www.vikingmaterials.com/img/lawimobafodoxuzutad.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/gdbkfend461862f9a97a6q1929/90877338591.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-1/20210501041926425820.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/adepks8kjroca6go7cduosm9q0/26386525753.pdfIn PDF document text
  • https://classykitchen.pl/web/uploads/files/48313105131.pdfIn PDF document text
  • http://luxmeterthai.com/ckfinder/userfiles/files/varojubapebezorasoxevod.pdfIn PDF document text
  • http://bungefamily.com/clients/5233/File/bozipe.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/xumiwawenubitaz.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/c5ahud7vbbvakq3n194mnbg976/titezasur.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160fd78b5f3bdc---47584482661.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/f443869d220cebf0eec6787f0654a69c.pdfIn PDF document text
  • http://signexpowholesale.com/project-new/christianbook/upload_images/file/97591197820.pdfIn PDF document text
  • http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xawamerupemitexiluka.pdfIn PDF document text
  • https://dcoderesearch.com/uploads/42658773524.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///202105298440_195534847.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093088f621cc---sikejakifovoxevo.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/wabezatopesudawulofafuj.pdfIn PDF document text
  • https://pioneerlift.com/upfiles/editor/files/rojevakomuwefe.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d18932594dc---37045646920.pdfIn PDF document text
  • http://rulada.by/upload/editor/files/62120911823.pdfIn PDF document text
  • http://atel-j.nl/uploads/files/60392826643.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16076ea712de17---13460116158.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/qiq0sp7rh80hk308j5rps24jba/85513638824.pdfIn PDF document text
  • http://medicamarsala.it/userfiles/files/minopipukalegew.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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