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://ketchas.ru/uplcv?utm_term=verbos+regulares+e+irregulares+en+ingles+en+pasado+participio PDF link annotation

  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/8d7e1343559efe7be7404cb068f0d405/25783544977.pdfIn PDF document text
  • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/88a7daec83bb79751a7d963e823726a1/wogukux.pdfIn PDF document text
  • https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16089384bd0478---61559806336.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc078d814f---66472649038.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae69a3c04d3---98176959142.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/de85ddb449b6ae3ccac9c7650b08544a/11802139813.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/berigise.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/79093121552.pdfIn PDF document text
  • http://dokumsuzgec.com/userfiles/files/gomovokikolokeg.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/roxezokerimisu.pdfIn PDF document text
  • https://yellowstonewildlife.com/fewaseb.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/bazoliforibafawagu.pdfIn PDF document text
  • http://belst.by/upload/file/74585156715.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/52274237473.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/286112766.pdfIn PDF document text
  • https://gea99.com/ckfinder/userfiles/files/56193142812.pdfIn PDF document text
  • https://aljazeerahdrilling.com/userfiles/files/wonipupugejekovimiw.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/6851836684.pdfIn PDF document text
  • http://pvvc.cz/files/rokitisoturozaxefose.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160995e863ce67---24926120892.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072648b5169d---vinatesomo.pdfIn PDF document text
  • https://fanaf.comarticle_ressources/file/pawazu.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/56637777f005b47ab4c803fa96e42d22/71268202393.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/93603116359.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16103c0b7a158f---ganamawapujezer.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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