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://drafthe.ru/uplcv?utm_term=how+to+save+photos+in+memory+card PDF link annotation

  • http://ketphatthinh.vn/upload/files/kumapoxafifoda.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/36466059834.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a32e8846a---nuvave.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/84273723667.pdfIn PDF document text
  • http://epmresearch.org/userfiles/files/90928128031.pdfIn PDF document text
  • http://cantinachitarra.it/userfiles/file/3940142212.pdfIn PDF document text
  • https://leo.tw/upload/ckeditor/files/rapepozewub.pdfIn PDF document text
  • https://0a3exp.com/upfiles/editor/files/49465405119.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300b05ecd1c---4445919043.pdfIn PDF document text
  • https://movie2book.com/userfiles/file/8260214565.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/tewuxin.pdfIn PDF document text
  • http://studioingtassinari.eu/userfiles/files/xoferosafe.pdfIn PDF document text
  • https://grandiosieventinuziali.it/filesUploads/file/59963909144.pdfIn PDF document text
  • http://minuspk.ru/minuspk.ru/userfiles/file/derozafeteribudowejoloz.pdfIn PDF document text
  • https://masukpt2.com/contents/files/mokikexup.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161406586aafa5---97324398743.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/vewujudevudogikeridagiruf.pdfIn PDF document text
  • http://sangsangins.com/upload/upload/file/10909600252.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/03acee26a338ffacff7677ae60250864/59303009470.pdfIn PDF document text
  • http://evaemlak.com/userfiles/file///12787097517.pdfIn PDF document text
  • http://trevorhannant.com/85836168221.pdfIn PDF document text
  • http://www.kigimex.com.vn/ckfinder/userfiles/files/47303293202.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/evqu2bha3bepfhv2kqn95dqji5/jizusujiwakilorilujulifeb.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/gofumedezufulemaloneze.pdfIn PDF document text
  • http://czyxchem.com/upload/files/weruzimabimegezijawibi.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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