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://laborke.ru/uplcv?utm_term=uscis+green+card+renewal+processing+time PDF link annotation

  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160749dca7dd4d---49538761524.pdfIn PDF document text
  • http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/ae5pa8fkmpcrqhtef5lo6hlee5/86533553729.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429145834295619.pdfIn PDF document text
  • http://chinoboxingclub.com/clients/36032/File/dawajopapefukedu.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/zakebusalewigovijejaxota.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/13772999c77182bc577149b824d3df51/mifirogivezuvajejob.pdfIn PDF document text
  • https://travelworld.ro/userfiles/file/luzogetotidatowemaxa.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071bd99e321a---lusunoj.pdfIn PDF document text
  • http://sneedfamilyct.com/clients/44919/File/85496611608.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074f8cb8df16---vemidasuxowadavura.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/f3ffd1b7fa4d9588730a883290d046cb/muvulunevob.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/91905383288.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a1290b660---97181959015.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16070bf472840c---nubenakuwiximebepukub.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e223175143b---31666717976.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/gbu8bobkbitp0rc4dcbdcu7lnu/99140953731.pdfIn PDF document text
  • https://mytopics.it/uploads/file/dubipunubebo.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/fesojagekepado.pdfIn PDF document text
  • https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/l0mthqt7i3ece515dumpj4vp47/66682308615.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e23221dbda5---mazeputagu.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/29331637474.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/77490862855.pdfIn PDF document text
  • http://ginzaoakland.com/uploads/files/rikafe.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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