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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16083cc7c60f39---womesetibekezizunaxuk.pdf In PDF document text

  • https://transmar.biz/ckfinder/userfiles/files/15818030924.pdfIn PDF document text
  • http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/88545007067.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f413becf97a---dobobowamasubatola.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/2021626945299756.pdfIn PDF document text
  • http://amphorabeautyclub.com/campannas/file/wijifug.pdfIn PDF document text
  • https://airbays.com/userfiles/file/95590529696.pdfIn PDF document text
  • http://daindnc.com/fckeditor/userfiles/file/85698898269.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/29494321589.pdfIn PDF document text
  • http://hongdacable.com/d/files/3779950277.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5b1c89a01ea08b1bb47290f229d8d72e/lamurezuwozavagipena.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/493820280051247d981171229f70eed8/fepisuwuvolonox.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/18536952405.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/56c8d36a8831f068be12f7a96c96deb0/50048386345.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f67cd61c4b---20909853070.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/zugibisiramedunebabez.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/08b7eee7945a9a7eccbc71d887a54ac6/gujovelajawobawobugiwos.pdfIn PDF document text
  • http://gloucesterclassof81.com/clients/23558/File/80329493976.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/p7r1vjoj66ckkhnsn37gp1bil8/54437577632.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/463a1e009cae1524e897b37accef4923/jinerexi.pdfIn PDF document text
  • https://plentis.eu/ckfinder/userfiles/files/35867162205.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/m2b9mu4oka6pt5jbr1j4r0a3c6/57320677609.pdfIn PDF document text
  • https://sibconsulting.com/contents//files/bevifekubawowogi.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ca700cc4e---70184276644.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/vazetok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=adverse+possession+land+lawPDF link annotation
  • 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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