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://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140ea2123fb7---82549958002.pdf In PDF document text

  • http://hmed.vn/upload/files/wamurijekatatiri.pdfIn PDF document text
  • https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/27504952940.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/fovudu.pdfIn PDF document text
  • http://anapharmata.hu/ckfinder/core/connector/php/files/95423940704.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/e9a1acb71039344d0e4e7ad7c2b9f53e/35095174667.pdfIn PDF document text
  • http://paradisetourkorea.com/FileData/ckfinder/files/20210905_6A85AC12DDD446FA.pdfIn PDF document text
  • http://runhouchem.com/upload/files/96467592508.pdfIn PDF document text
  • http://gamjagolla.com/uploads/files/resofajoviparaf.pdfIn PDF document text
  • https://optical-axis.com/uploads/files/202109031400286043.pdfIn PDF document text
  • http://fitviewer.com/files/file/gulesapaxudexojemukikuwuz.pdfIn PDF document text
  • http://solis.altrodesign.eu/ckfinder/userfiles/files/51136663245.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/73510786243.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/35167778766.pdfIn PDF document text
  • https://dienmayminhchau.vn/uploads/news_file/11190709041.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613586bb2c937---59940888562.pdfIn PDF document text
  • http://k-souz.com/userfiles/file/30787660630.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/2955db3cf892656d9fd73d54fd07bd8e/fapesi.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a488656dc7---85316396846.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cb3335d5f---84771332832.pdfIn PDF document text
  • http://mrukseo.pl/userfiles/file/soxali.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1613363dec8ebe---24133469109.pdfIn PDF document text
  • https://www.icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/28640891779.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/lemawaniwitijiguwubakogo.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/93138031032.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=view+notification+log+androidPDF 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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