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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drafthe.ru/uplcv?utm_term=english+pronunciation+in+use+intermediate+download PDF link annotation

  • https://markapin.com/calisma2/files/uploads/95684950643.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161452602e538e---rapifisizevanatobagoniz.pdfIn PDF document text
  • http://twgo8.com/uploads/base/files/202109170543158588.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/42271011370.pdfIn PDF document text
  • http://atrsara.ir/resource/files/11736739177.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/96270324103.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/75054267691.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16137f06a28b50---22757497971.pdfIn PDF document text
  • https://hanoihome.net/img_duhoc/files/lakopuwuge.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9073fe03501c2829194dcbb6ea228a3f/7369857396.pdfIn PDF document text
  • https://eltechma.com/zdjecia/fck/file/81049757357.pdfIn PDF document text
  • https://pernambucoimortal.com/imagens/files/52382312123.pdfIn PDF document text
  • http://thueotodn.com/uploads/image/files/nimija.pdfIn PDF document text
  • http://dienhoabacninh.vn/webroot/img/files/9268993356.pdfIn PDF document text
  • http://straps.by/ckfinder/userfiles/files/85232509197.pdfIn PDF document text
  • http://shahgrp.com/uploads/wowavugatubogasemisar.pdfIn PDF document text
  • https://classykitchen.pl/web/uploads/files/lagupulatofuzoperutitan.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc6f477ce---mudedibamigofa.pdfIn PDF document text
  • https://webvitamin.vn/app/webroot/uploads/files/tubetugixosanijaneriwe.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1584b29fd2bd2998a620ae7c7c099ef0/69652815444.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8082de7084f30e8535d11281640c1bfc/84045630523.pdfIn PDF document text
  • https://avukatwebsitesi.trakyasoft.com/upload/files/wopixewewatofomadirubega.pdfIn PDF document text
  • https://educhina.mn/editor/files/mibifugob.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/lilikitelebake.pdfIn PDF document text
  • https://soechi.net/userfiles/file/65192231328.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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