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://chcial.ru/uplcv?utm_term=unhelpful+thinking+styles+pdf+cci PDF link annotation

  • https://minervatech.work/js/ckfinder/userfiles/files/80683410433.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/d8ca0ce487fb09809df5a9ff88407307/55630447250.pdfIn PDF document text
  • http://grapevinewinerytrail.com/clients/876125/File/bajadel.pdfIn PDF document text
  • http://tfforming.ru/d/files/webemomitexon.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607883b7a9a2a---namijejeduxotuw.pdfIn PDF document text
  • http://axwelindia.com/uploads/29442819115.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161162b50ed028---81347104374.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/c15548cb6cb19fbf5c48642df9be212e/venub.pdfIn PDF document text
  • https://gencshoworganizasyon.com/upload/ckfinder/files/11701623668.pdfIn PDF document text
  • http://casadiriposomarsala.it/userfiles/files/12417613939.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/ritesabojiponeriz.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b50c915a2e---53764072918.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcc34dbc89---94517676907.pdfIn PDF document text
  • http://sonnenheizungen.ch/fckeditor/editor/images/file/sisijivajepis.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16099cd29b2b58---47882056798.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/72972944223.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/file/gevevelowajikikilojoxa.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/26028073623.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/5ac2281784d1d4e5d5d3fe81aaeb7fe9/13027382678.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/661499f8c6b8a4e8d2e180cf95539b6b/16496822194.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/80382405649.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/2aed149ad4f8248b9ee8393c8130cc62/womojuge.pdfIn PDF document text
  • http://gardatrans.com/content/Files/94093178129.pdfIn PDF document text
  • http://oodow.cn/upload/file/210708021912653111tg7imx14wkg2.pdfIn PDF document text
  • http://www.lasallelille.com/admin/ckfinder/userfiles/files/63564290491.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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