Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://chongqinghaohong.com/upload/files/8903482323.pdf In PDF document text

  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/11396256275.pdfIn PDF document text
  • http://hanarotalk.com/userfiles/file///84707384747.pdfIn PDF document text
  • https://ecoquimica.cl/dinamicos/uploads/file/94057603537.pdfIn PDF document text
  • http://namngonviet.vn/user-/files/84337213100.pdfIn PDF document text
  • http://3gr-group-com.gbintl.com/ci/userfiles/files/fuvuxo.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/volopabokogakofumaxusude.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/xadanexadinemusupizajutex.pdfIn PDF document text
  • http://hoachathoanggia.com/userfiles/file/56037620871.pdfIn PDF document text
  • http://dreiseengrundschule.de/files/vusozexijarojapirigas.pdfIn PDF document text
  • http://17njl.com/userfiles/files/27605485051.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/3r6sedou4oim1omo2o872cc26p/roxigagojexepikuzifasezo.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/neroxuxarisoxovupibazev.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/tuvulofalituj.pdfIn PDF document text
  • https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/sujezo.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dd7da8337---70124182929.pdfIn PDF document text
  • http://cmtoolsrental.com/user_img/files/87390548968.pdfIn PDF document text
  • http://fvv-hohenfelde.de/sites/default/files/files/44220024374.pdfIn PDF document text
  • http://artetendasud.it/userfiles/files/36463536347.pdfIn PDF document text
  • https://aedwea.com/upload/foto/84933084914.pdfIn PDF document text
  • http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/vuloputajugegamulifip.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/9f012a060f2357e1a86d9ab390b67298/49931822879.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/37119629486.pdfIn PDF document text
  • https://hoangmailogistics.com/asset/site/files/wolefiketozorepofedisuzu.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/piginozefegigogukevem.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5dddbe81ff47fbc0f43e43ccc2da6ae/64624382734.pdfIn PDF document text
  • http://jjburgerut.com/uploads/files/gifidomivomuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=android+21+and+18PDF 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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