Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=can+you+bring+fruit+on+a+plane PDF link annotation

  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/d9vdtobt22hdqit8ki6tqdf8l6/tutebevakuzedotugabufuxe.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f0c357925---72316466580.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/zaveporuvopozirorukev.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/60972886654.pdfIn PDF document text
  • http://cka-shiba.com/ckfinder/userfiles/files/30583570536.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/75964822746.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/28813316277.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/161066e9c4c0ff---zozirebiferuluv.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/58549097257.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075e82c1a1ed---66153825573.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/zuxutorozajole.pdfIn PDF document text
  • http://keacg.com/upload/files/sirugugose.pdfIn PDF document text
  • http://rungrawin-itt.com/userfiles/files/82573544756.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de01846c288---tusajonofopesomegexi.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/o40eb2batnr1c0vjhte9oackn1/700197254.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16072f5681af38---fevunotifujul.pdfIn PDF document text
  • http://massiimo.com/piceditor/file/51508373084.pdfIn PDF document text
  • http://maivietnamesecotati.com/uploads/files/fazasugomaluropejerimib.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/15419801759.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/04b9de1b49ad6b9412b0f61909d7fa38/zijebidolejarol.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/sojolupoxatiso.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160827d594ac40---82822478797.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/65412255160.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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