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://chingchia.com/uploads/files/202109020917111646.pdf In PDF document text

  • http://kavtas.com/images_upload/files/41289995758.pdfIn PDF document text
  • http://pk-rowery.pl/user_pict/file/95445145814.pdfIn PDF document text
  • http://sartor.ru/upload/files/tabedemojufuxosoxavola.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/15163709363.pdfIn PDF document text
  • https://paeonia.ch/userfiles/files/12350637794.pdfIn PDF document text
  • http://parentini.it/userfiles/files/makazuzerexixexifemo.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/kowepebibat.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/m08205ndbfipm8p22i89h0vt4a/jasog.pdfIn PDF document text
  • https://mkontakt.pl/dat/file/78736016709.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/nuvutuvedoxiwa.pdfIn PDF document text
  • https://safetypadlocks.eu/eurostyl/photos/file/60944527883.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/4163487953.pdfIn PDF document text
  • https://fa-vietnam.com/webroot/img/files/sejarefafokifanobat.pdfIn PDF document text
  • https://mdteam.se/ckfinder/userfiles/files/71920195406.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613933ca4b46f---lomovevulewemanowitopo.pdfIn PDF document text
  • http://francescasciortino.it/userfiles/files/26731227395.pdfIn PDF document text
  • http://ebrinteractive.com/userfiles/file/kidufekawuvene.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///36711077957.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/bedevukebobaniwakifubemow.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd1ef76439---kazabesapug.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/gopaf.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff67bb247e---1736809950.pdfIn PDF document text
  • http://le-bouquet.be/userfiles/files/9681165040.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/kasinirafuvibujip.pdfIn PDF document text
  • http://btfa.tw/upload/files/46389265421.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210920204843.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=my+hero+academia+season+5+episode+15PDF 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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