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://wastran.ru/uplcv?utm_term=learning+module+in+tle+grade+9+agriculture+crop+production PDF link annotation

  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161429a7e2707a---38071246843.pdfIn PDF document text
  • http://www.rify.us/cms-uploads/files/42244050092.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161456409a9e26---54946100718.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/69368660099.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/3cfaa1372e4cf43bf862661c17148736/69809940126.pdfIn PDF document text
  • http://gardena.crazyrockinsushi.com/uploads/files/numanutes.pdfIn PDF document text
  • https://akilanews.com/ckfinder/userfiles/files/52451725351.pdfIn PDF document text
  • http://happy-land.hu/editor_up/joxuloratajililag.pdfIn PDF document text
  • https://gloriamus.org/Uploads/userfiles/files/xanizefibirapom.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/40348485192.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/nadajeb.pdfIn PDF document text
  • https://rmp-traueranzeigen.de/cms/files/33480556291.pdfIn PDF document text
  • https://butterfly-propertymanagement.com/userfiles/file/mizodasuwe.pdfIn PDF document text
  • http://xinxinhouseware.com/uploadfile/files/54341539400.pdfIn PDF document text
  • https://vcvscr.cz/www/www/fckphotos/file/58519026341.pdfIn PDF document text
  • https://jmbarrenetxea.soinuenea.eus/files/galeria/files/42232196872.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16153913366c4f---7286339772.pdfIn PDF document text
  • http://fernandopelosini.it/userfiles/files/zapitakavoderukafigumus.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135daf667f35---92253994247.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130113e3d603---nelibixalewiwerax.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/36ab6b6799f85fd840de3c1a5b3bf88a/54239652662.pdfIn PDF document text
  • http://belovosushi.ru/files/46875008673.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/88269100223.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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