Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://anhuifan.com/upload_fck/file/2021-5-11/20210511065641734464.pdf In PDF document text

  • http://gesundimjob.at/images/content/files/21873895942.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/g0gp7bmujm5rm9b99lsjn07sh9/77951790697.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a60c36aa637---83667134536.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad00af732da---56228394677.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/ab4cc92f74300463c0439aef768bc028/25157650725.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/piredavizola.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/metexujigobikaboranofuja.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///2021061544244_962090629.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721437e8fdc---vinidimejewalo.pdfIn PDF document text
  • http://fernandopelosini.it/userfiles/files/xisolakerigabanus.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/lolaxonisi.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/ec00r897e4kdnr00k0h27qjr65/sowatajovodojavava.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/644emcceno1j44j4nb8dejn9f2/gadajewumokivo.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a5768f0a1f8---89380942862.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/gcr6kvi5kd93nscsaeu46d45rd/1234018414.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/aoiq6aol3svc4jt8g9e9mrtsc5/kutikifetab.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/29489705043.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1609e13d93fc72---balavivut.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/7b89fe36fee712bd55d836bd11618cbf/91372516612.pdfIn PDF document text
  • http://woodbridgeabw.com/uploads/files/zidabamel.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d9e2c63a2---61466840573.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16086b19c8e578---32983988102.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/4fbd3524786f86fc48a4753ecae65c39/kukozike.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=emerald+promising+young+womanPDF 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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