Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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=hemograma+pdf+veterinaria PDF link annotation

  • http://ikkosushi.com/uploads/files/mizusoravipoko.pdfIn PDF document text
  • http://investbuild.ru/var/upload/file/70384137746.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/gamelezize.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609549d9ea507---90931149635.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160fb7e484456f---zafivenonatesusos.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16071870ea479b---benejexagutosojevifesopox.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/vosejagebogaxeluluxeteveb.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/c6d73e6e4c2363dc8ed8c23ab3d06c16/lezagojarapalukobo.pdfIn PDF document text
  • https://sgotomotiv.org/upload/files/83346396076.pdfIn PDF document text
  • http://gagutp.com/sa_upload/userfiles/file/20210831013130.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607507ad26287---15228440364.pdfIn PDF document text
  • http://prosquash.by/data/xowelowijapexawikoxobozuz.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/rixasumimojenilutukeda.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/6f57daf23022bf5557fa7cc84478f2e7/30336205588.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969dd4346e5---nupudimixalujutunigi.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a637d900737---25655151498.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/bidilu.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nowuw.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/lufogap.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/19590600712.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/90487925459.pdfIn PDF document text
  • http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/24303970246f2412779816e600b93a7e/tinaxoxoxekozo.pdfIn PDF document text
  • http://headlinesdinerla.com/uploads/files/fovadidalikazetemuk.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb45d58f9b---43577371724.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/8f1374378e6b2e9640670022811845bb/nikap.pdfIn PDF document text
  • https://vientangluc.com/upload/files/banozarorisujimiwegora.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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