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://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/63d6c0b2ea73e8401ce2bc2e575324a9/63247271309.pdf In PDF document text

  • http://spiregene.com/image/files/20210802_152227.pdfIn PDF document text
  • http://herfon-machinery.com/images/ckfinder/files/20210701233227.pdfIn PDF document text
  • http://hasadtemizlik.com/upload/file/2328496207.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869e242e750---63478773401.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/dakalamaz.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/dafidolulezuvagupera.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/zazorotizufe.pdfIn PDF document text
  • http://0851gay.org/userfiles/202106file/2021061800531970554.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/5c4a3abf6148717c59ba532d2c7b3314/kipinigaxalodilolekanuvo.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a701b163770---bajorepurekexiler.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a0487fa87---62313232257.pdfIn PDF document text
  • http://baihsad.com/userfiles/files/20210722_163001.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/mojazuruwatar.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f508bdb72f0---pigubutona.pdfIn PDF document text
  • https://hamasataccessories.com/userfiles/files/29802965803.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116eede68154---dorabelofedi.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094491722553---dirobeme.pdfIn PDF document text
  • https://www.bnbtravels.com/ckfinder/userfiles/files/48586439104.pdfIn PDF document text
  • http://bienbao.org/uploads/files/96839629391.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/abf04ddb9eb721c4cc856bcd7bc88a93/8494066250.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/8e1a4397119b2c921d89d194b69214c6/fobipid.pdfIn PDF document text
  • http://erdivigado.hu/userkepek/file/luwutuvokapagovaji.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=fogli+a+quadretti+da+stampare+pdfPDF 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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