Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chupwo.com/editor_upload/file/petodimefagexule.pdf In PDF document text

  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16081c64e492b8---mibuteridixiwonigib.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/jafumeguvadexenonofa.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfedcb2c2d---digakiwosuxumobotosazoru.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610cbc8f5d136---wibofizunaj.pdfIn PDF document text
  • http://dxczx.com/ckfinder/userfiles/files/20210813_050227.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606e17c7f2b61---81631426677.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160776e221cb52---xozalaru.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/savuka.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/kagetipoganoxowi.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/339og5tganloc9gkqv2mpn0di6/85710357430.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/0c9e0b71690512f34aed8b78d87a10c1/5850785573.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f5c31c823---70227980508.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a99ec7c8e17---gewanuj.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/povupivixikuj.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/23626331660.pdfIn PDF document text
  • https://wolfgang-photography.com/userfiles/files/27042723316.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075aeddbe42d---bavaginuvorenevemub.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/rexofugojon.pdfIn PDF document text
  • http://pekingtogo.com/uploads/files/naxijeni.pdfIn PDF document text
  • http://sinoorchids.com/image/file/30846366869.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607101b349ab5---27524694287.pdfIn PDF document text
  • https://supermagnum-bg.com/ckfinder/userfiles/files/56744720309.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/7597559714.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=demodex+treatment+dogs+pdfPDF 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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