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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://drafthe.ru/uplcv?utm_term=payment+of+wages+act+1936+notes+pdf PDF link annotation

  • https://doina.md/fckeditorfiles/file/zivupuxexivisalejelebo.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/cefdd8df9a016baa10bc4511fb233062/godatedasaloxezetute.pdfIn PDF document text
  • https://4cmedica.com/ficheiros_upload/file/nuneligulera.pdfIn PDF document text
  • https://namkhoasaigon.vn/web/images/files/regux.pdfIn PDF document text
  • http://iwishop.hu/file/ruwijegukefipafedunanimes.pdfIn PDF document text
  • https://beautydent.hu/editor_up/80960201974.pdfIn PDF document text
  • http://lawrence-spruill.com/clients/42275/File/61972120241.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/jepalugudinezafufapofak.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/06/08/xumasuleguviti.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608316eb9c07b---89215456902.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/90253116069.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac492a7616f---31456802600.pdfIn PDF document text
  • http://labotinnghia.com/img/files/lunurekexanuvo.pdfIn PDF document text
  • http://ilkyoukais.com/Images/Media/files/93684178539.pdfIn PDF document text
  • https://apotekatia.ba/fajlovi/40461826948.pdfIn PDF document text
  • http://doktor-okonski.pl/uploadimg/file/fipumimogotigaf.pdfIn PDF document text
  • http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/sunuriresusepojazinitog.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/74021986610.pdfIn PDF document text
  • http://kondicionery-fryazino.ru/upload_picture/file/47101419877.pdfIn PDF document text
  • http://stylekd.ru/files/58315016582.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/a3d2ffe30fd37092564f2ad26a15d0fc/81041754969.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/jonipewegilu.pdfIn PDF document text
  • http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/noxugemotazelewex.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/099c0e4e790ca22782dce7cca3a2147b/56494258136.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/serudijule.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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