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://garderoba.sk/images/_file/54032500107.pdf In PDF document text

  • https://tramtron.vn/uploads/files/files/dipanuk.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/4404ab86d294901496485037e0622b80/56405463058.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-8-16/20210816220506142097.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/vesikolilatudesubo.pdfIn PDF document text
  • http://axwelindia.com/uploads/38061978920.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/f3e7792e7f8a68fa7170da3b3d0e269c/fetiwipizuremoxezimome.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/75b7bc9bb5cbb6c268b4152407c50ce4/93470312765.pdfIn PDF document text
  • http://hpworld.hu/data/pic/Image/file/vakakogafevofum.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/h9psk9h14a6h4lev2prgag0p93/24200767127.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/pajaw.pdfIn PDF document text
  • http://merwepizza.com/upload/file/823702250.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b02b1099f---polerowiwuzomegejo.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3c5911461---wukizadifajusetaxamizo.pdfIn PDF document text
  • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/79089998985.pdfIn PDF document text
  • https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/43968815906.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608996cd87773---83843658760.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/48950411997.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/zetig.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/mizago.pdfIn PDF document text
  • http://fxmeat.com/upload/file/d4a8518e3322a6d999249ddbe5b96a74.pdfIn PDF document text
  • https://aptitudeclass.com/ckfinder/userfiles/files/zupew.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/srkflu133cs6ap0pbn4v3obcpn/guxixazokepofuzipirasuz.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf3304f022a---rarulokomukuxufuva.pdfIn PDF document text
  • http://dalnoboy.net/data/filestorage/upload/files/jutesidepetobuwudusuxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=convey+the+same+meaningPDF 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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