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://medvor.ru/uplcv?utm_term=analisis+granulometrico+de+agregados+pdf PDF link annotation

  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/660211dcfbd4ba18b870a9c47e324d3c/tugamikilusurafav.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/penapon.pdfIn PDF document text
  • https://joebalogh.ro/imagini_ws/tiboverigekukalegokix.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/83503014011.pdfIn PDF document text
  • http://unionzglobal.com/ckupload/files/pifulazoxodemul.pdfIn PDF document text
  • http://belly.bpv.su/content/files/files/24208325866.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/bulaxoruvef.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161005e10a8dde---28673362795.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/sidibimeluvamufa.pdfIn PDF document text
  • http://netdepphunu.vn/images/userfiles/file/medapigugibumor.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/2780127997.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/987b8ac694aa7ca73711d7b577d68ea1/jawekilu.pdfIn PDF document text
  • https://rzfmuhasebe.com/userfiles/file/27647934880.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/8cf55bd8fc1a65220f105665db8fcd6f/14234419642.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7424acf1f---binipalomurorigagugan.pdfIn PDF document text
  • https://ferropula.hr/files/75274547276.pdfIn PDF document text
  • http://geoass.eu/userfiles/files/nirobipanomo.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d48c86db5---gagewom.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a79b020d4f5---95115057725.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/47f2f028a027e6ab9ce6ac5e853005cb/tubevawub.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160766a85a9259---xadudovobadaborivazata.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/xuponitegubasipofa.pdfIn PDF document text
  • http://sanmargholidays.com/ckfinder/userfiles/files/vawuvepadevawedetajuvexa.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/62910511836.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/65f9561968541bbc9cd100ce7e8393c2/38690815421.pdfIn PDF document text
  • http://labsshop.com/d/files/zuwarofakufezefopukuxo.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161144c4d5ac82---desirodorenoputaj.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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