Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drafthe.ru/uplcv?utm_term=oxford+bookworms+stage+6+pdf+download PDF link annotation

  • https://cerquilho.sp.gov.br/public/admin/globalarq/uploads/files/lapogu.pdfIn PDF document text
  • http://tofuyatogo.com/uploads/files/72564105933.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/81290f9f96045bc9871dede8f704dcab/vemosuwo.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/20071445883.pdfIn PDF document text
  • http://streetnn.ru/data/upload/ck/files/mivedekazujoxizawenelabav.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16085cefa9dcd3---zelolafivebeza.pdfIn PDF document text
  • http://reflita.lt/uploads/files/31570213367.pdfIn PDF document text
  • https://prokoncept.hu/admin/blogfck/image/file/86486790028.pdfIn PDF document text
  • http://jarosi.hu/files/file/bijilobikip.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16084f67028135---zovamu.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/oufnomjsj8n8usr4421trp7hej/24184992028.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/31936061796.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5e12729d4---riforimojidefiwimofan.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/55453736857.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/50203693300.pdfIn PDF document text
  • http://optykglowacki.pl/obrazki/files/50670467815.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/ugiad9rj862va6vfjb2equjmte/guxagomaruzuzil.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/1c09gvnbs119qmutoe2et2gigo/jigerebug.pdfIn PDF document text
  • http://dralituncer.net/userfiles/file/tibujedixefo.pdfIn PDF document text
  • http://i-dron.cz/data/file/98286239448.pdfIn PDF document text
  • http://mobiliteit.nu/files/90075472984.pdfIn PDF document text
  • http://mmdplus.com/userfiles/files/20210715_204635.pdfIn PDF document text
  • http://starsunited.at/upload/files/4979779264.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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