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 https://smidgel.ru/uplcv?utm_term=auto+answer+video+call+android PDF link annotation

  • http://nitexprofi.cz/userfiles/file/vopuzafevijo.pdfIn PDF document text
  • http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/mizap.pdfIn PDF document text
  • http://poaglasses.com/uploads/files/202109030350544709.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/3200812686.pdfIn PDF document text
  • https://peiitw.com/Upload/ckeditor/files/8856932111.pdfIn PDF document text
  • http://areaengineeringsrl.eu/userfiles/files/74480102214.pdfIn PDF document text
  • https://helicopterleasingservices.com/userfiles/files/jexewakoke.pdfIn PDF document text
  • http://goldmustang.ru/files/files/fumarubuwidumomik.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d63b9f1fb7f0048b56d5c1d17e43327c/migepipurumitefigoped.pdfIn PDF document text
  • http://lutechmed.com/Images_upload/files/rebavosamubupidadin.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/71849035777.pdfIn PDF document text
  • http://mydreamtuscanwedding.com/editor_up/64289605917.pdfIn PDF document text
  • https://noelex22.org/userfiles/file/rofedo.pdfIn PDF document text
  • https://kamarkosong.com/contents/files/17377653692.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/vedunomawixularugurebu.pdfIn PDF document text
  • https://lazerom.pro/media/file/12630890522.pdfIn PDF document text
  • https://vanphongphamhienluong.com/upload/files/60331930926.pdfIn PDF document text
  • http://frankifoto.com/uploads/pages/files/41543834098.pdfIn PDF document text
  • http://kiajihlava.cz/UserFiles/File/81480139503.pdfIn PDF document text
  • http://jiachuankeji.com/upload_fck/file/2021-9-14/20210914020539864775.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0380d839116b32e6349168b4d25dcc99/98444299324.pdfIn PDF document text
  • http://kmjmt.com/news/upload/file/210918104956856067vaa56h.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b430ccb54e---mepuxifili.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/sufipov.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202109101212167036.pdfIn PDF document text
  • https://hyosung-gulf.com/uploads/file/58707726447.pdfIn PDF document text
  • https://www.tristar-technology.com/ckfinder/userfiles/files/zivurujurupopi.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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