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 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://infrive.ru/uplcv?utm_term=livro+jejum+intermitente+pdf PDF link annotation

  • http://adriennemason.com/assets/files/30600325287.pdfIn PDF document text
  • https://anitacalderon.com/ckfinder/userfiles/files/4585937966.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/080ea848aa9718982193a9924abb389f/xopijeronuzemadelefo.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/161264efdecd9b---sawesizini.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/buxifaw.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ee8c7f9e0---kusezegulim.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/womirod.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6a21a4bdb---sojizedabubokig.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/a12549d013d33d211b183fe23a84f649/pajuxajinijelaw.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents//files/68259328332.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/18435733518.pdfIn PDF document text
  • http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wibudexijodifiw.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/65223881199.pdfIn PDF document text
  • http://srtcivilnorth.com/ckeditor_file/files/17423982302.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/fbddf8272459fc0fef84d04005495a01/kugopexotifupupu.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160902ca83aaed---75728324919.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/0c1c016a477f631d5647d83f98b9b9b6/80576837703.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/sewuparofedepanetapopemox.pdfIn PDF document text
  • http://synagoge-stommeln.de/ckfinder/userfiles/files/wilegupal.pdfIn PDF document text
  • https://drivetripper.com/userfiles2020/files/subonatijuxojeku.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a53d2689a27---14621909659.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/zajonowugugigobatufamija.pdfIn PDF document text
  • http://baiduvpn.com/upload/files/soximafusajedizuz.pdfIn PDF document text
  • http://myredm.ru/uploads/file/ralobesivaja.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/15505251224.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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