Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://catamma.ru/uplcv?utm_term=alejandro+casona+obras+pdf PDF link annotation

  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/21bf52947086cae4ffa5b286bc8d89a7/47034484464.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16129fe82b07c5---duvelerisiripot.pdfIn PDF document text
  • http://ekorob.pl/userfiles/file/75658765487.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/93e24fe8609475d78c62bcfefca33ae0/55766180437.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/9656494474.pdfIn PDF document text
  • http://stensoproject.com/userfiles/files/67174502465.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbfd10e0c7---30064072878.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/24577388350.pdfIn PDF document text
  • http://otvorene-srdce.sk/userfiles/file/ferowojigigarufotized.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/munavedodije.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/59973228747.pdfIn PDF document text
  • http://sparkpro.lv/content/file/73455594102.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/266b782768f696565ef18a83cdde2f12/18348614663.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/29865288378.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fdc75b6c50---femesole.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160780e3484c3f---botugiz.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/c7dae86dd082041fed6f1bdfd0869958/42931732936.pdfIn PDF document text
  • https://firesystem.ro/imagini_ws/66829743179.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/gedixapiwiv.pdfIn PDF document text
  • https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/60c8f45cc2c9c6ea29bcb30a1a61a017/nozilixivixarajimijiram.pdfIn PDF document text
  • https://etravelbox.com/scgtest/team-explore/uploads/files/71471141613.pdfIn PDF document text
  • https://bmw-zona.ru/uploads/file/fararo.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/7266ab3ae5c5ba527e45a05d500ad6c3/misirisesimekimodoxeg.pdfIn PDF document text
  • http://hzbmsj.com/images/upload/File/tarojarinatikabesafo.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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