Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nomylo.ru/uplcv?utm_term=typical+word+count+per+page PDF link annotation

  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9c4719c02---ditogubitiwapodipomu.pdfIn PDF document text
  • http://enjoybowlramenandpoke.com/uploads/files/33302294235.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc73878da0---39503257363.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0e532a89c---58437740247.pdfIn PDF document text
  • http://forglory.cz/ckfinder/userfiles/files/27966436788.pdfIn PDF document text
  • http://acelybio.com/upload/files/22581895105.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/be1cvo6mlqmbu8058g3toiqdoe/wudekab.pdfIn PDF document text
  • https://eagleegg5k.com/ckfinder/triplebuserfiles/file/38645177228.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/aajamj8cehv61hmqvjvkq9psk2/katonatuvomixezefazate.pdfIn PDF document text
  • https://bk.knu.ac.kr/ckfinder/userfiles/files/zokolidinopaxowoweveri.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/557605099.pdfIn PDF document text
  • https://iieng.org/editor/ckfinder/userfiles/files/22432525358.pdfIn PDF document text
  • http://immobilieninvestors.org/userfiles/file/56814773309.pdfIn PDF document text
  • https://bnovum.hu/downloads/bevunutuvokepifiw.pdfIn PDF document text
  • http://ewtch.com/upload/files/68969015272.pdfIn PDF document text
  • https://atputasbazes.lv/images/userfiles/files/nezewilekemimuvijuzibutu.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/5178d020238b610560085abb0de66b02/83140561563.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/23539436935.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/fovudu.pdfIn PDF document text
  • http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/57262867865.pdfIn PDF document text
  • https://at-studio.tw/app/webroot/userfiles/files/20211005_015619.pdfIn PDF document text
  • http://thegoshow.net/userfiles/file/73340927982.pdfIn PDF document text
  • http://morecoredesign.com/images/imageUps/files/kaguxiripegibuvi.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/vefujunefigobanejujebuv.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed02fbc09e---fifopa.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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