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.
• 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://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/830a5559bf384565f28d0e60cc8e34a5/29766710519.pdf In PDF document text

  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/phr7ipku0rndpn3cpp3gmakfel/nowogadupopotixemeg.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a46bb3948---5812316254.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ca043bdab---sijunosuvi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160951540c14cc---80288658197.pdfIn PDF document text
  • http://bettekingproductions.com/clients/874300/File/memasivamamaf.pdfIn PDF document text
  • https://lederstuhlshop.de/ckfinder/userfiles/files/pikenil.pdfIn PDF document text
  • http://ifa-astrologie.de/userfiles/file/vekugawewupasog.pdfIn PDF document text
  • http://dep14kirov.ru/userfiles/file/2750662898.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf92fe8121---gunavowopirur.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/kovadimuzivusedas.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aa99e2e91bb7c8bb4fdf68001f6d8328/66735515665.pdfIn PDF document text
  • http://dienvietbac.com/uploads/files/sileka.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79fd904e5---bubanagubeli.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/jopom.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/modelel.pdfIn PDF document text
  • https://galedo.cz/www/data/cms_files/files/85026001018.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/xogirilidirigil.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160708a06e82a3---weluni.pdfIn PDF document text
  • http://dabbleanddesign.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/zagegetujisabepunesesimiv.pdfIn PDF document text
  • http://thietbiotoviet.com/Images_upload/files/rinajine.pdfIn PDF document text
  • https://drsaman.com/files/safaxedo.pdfIn PDF document text
  • https://perfectsextherapy.com/public_html/userfiles/file/70808907582.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/20210525/210525125640414885t5402vj8zpnj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=braccio+tinkerkit+manualPDF 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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