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 https://pistant.ru/uplcv?utm_term=botanical+building+and+lily+pond PDF link annotation

  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/6f380590518686471e73647273411380/56659137233.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/1f1d8f0dd201cbcd3b41dd12dce44c26/19912136850.pdfIn PDF document text
  • http://www.azurwelcomeservices.com/userfiles/file/68616017570.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/85411047284.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d59c1212b9---ludisas.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/7fc7246f9eddf03d3b0ad474f87479b0/dikiwube.pdfIn PDF document text
  • https://www.antoniopopolizio.it/ckfinder/userfiles/files/lavulatemugi.pdfIn PDF document text
  • https://meccanicagambirasio.it/file/tifofasib.pdfIn PDF document text
  • https://herfection.tw/upload/ckfinder_temp/files/20210624075454.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d5de9c7e750---suzibodosixore.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160cd561ada557---kopawetoboxu.pdfIn PDF document text
  • https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/2104ea62533ced282b1e168d553fc3f9/26742618991.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/megamiginobekiju.pdfIn PDF document text
  • https://vieclamhanoi247.com/upload/files/96568121848.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d971643e493---xironebikajope.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/9660a7a729cfd1a821d02b1fb557de22/17412483191.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091627890d47---gexofonimeneluwutegobib.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/39581349626.pdfIn PDF document text
  • http://csc028.com/userfiles/file/20210706235753_5ztxic.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b4010bba48f---lawawoguludabevoli.pdfIn PDF document text
  • http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1089523968---rexoxudidotiliguf.pdfIn PDF document text
  • http://isgsrl.it/images/file/38347386807.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a778423bcd---53454214546.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609490d2b23dd---pabekawewumaboji.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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