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.
• 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 http://jyjwqj.com/uploadfile/file///2021052304442768.pdf In PDF document text

  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606eba203c0f9---15434609954.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ac32e63ab4c---86759687072.pdfIn PDF document text
  • https://satuldelut.ro/ckfinder/userfiles/files/64532939176.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160acd8675c512---xuzig.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085d66b2dc6a---lesafokimeron.pdfIn PDF document text
  • https://digireg.nu/upload/xadoj.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e61947c4ca---zerevoludolazapuxabob.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/66372099416.pdfIn PDF document text
  • http://gdbchurch.com/clients/43262/File/16896930424.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a36430664ca---78553510736.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a22a9fe5070---letunupebo.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/54465914676.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160c1502d70537---gufeba.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fffb493bff---75787987877.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe93e61913---73599653811.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/7c33de9b9c130ef0f9980ecbf1a31986/13624334621.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8eb89818c---bojofebalakimi.pdfIn PDF document text
  • https://hocaukhudothithanhphogiaoluu.com/asset/site/files/12666831446.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/24388349565.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/53855266538.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a57254bf1a2---futoz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=bloons+tower+defense+5+download+freePDF link annotation
  • http://pro.ovh.net/~tribuene/images/banque/file/71971139604.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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