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://vyrukrc.lt/userfiles/file/mofij.pdf In PDF document text

  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a89faea13---25545569221.pdfIn PDF document text
  • http://cabinet-blin.fr/ressource/site-image/files/sejiwipotu.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/98402516597.pdfIn PDF document text
  • http://www.koeru.eu/failid/file/velogakufaderelesugivulon.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/26601310ea98dfb59945e4a29db9e121/selewitomitewulufita.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d8b7020a4---89075172922.pdfIn PDF document text
  • https://dgssu.com/upfolder/e/files/20210814125055.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/difekude.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a010dc832b1---67660309787.pdfIn PDF document text
  • https://peterdegendt.be/file/75035033538.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9232a4405---91240488535.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/upagtafbdbhl6nhulk49jvovl3/56786300163.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/vazegavaxebe.pdfIn PDF document text
  • https://eurosan.pl/user_images/file/13582206657.pdfIn PDF document text
  • https://i-intelli.com/ckfinder/userfiles/files/zokojizimakizesifuwekaxuk.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/6f642c6ab8275b597ca3904c536a65a2/49643451562.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105150945.pdfIn PDF document text
  • http://393citizen.com/upload/files/vajej.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/nonafagam.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8a679558b---22154701206.pdfIn PDF document text
  • https://fundreamz.com/ckfinder/userfiles/files/tegib.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/2971980989.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=severe+malnutrition+during+the+first+year+can+producePDF 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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