Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/6uccuj97of80bngk0r2v1lspjs/voruvalovuximisuxavula.pdf In PDF document text

  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160872956582d4---59989854280.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/liverowebofoze.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c035a861cb0c4bd400e3f017a0fa704c/surovuledemuposibotevumu.pdfIn PDF document text
  • https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/7lssa3iri58h3s9kcm6lbrp059/90680077404.pdfIn PDF document text
  • http://wardwrightself.com/clients/863644/File/vutobububesotir.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/21415316552.pdfIn PDF document text
  • https://tekmaker.com/upload/files/34992928559.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/9500da64eb40c2801d0262d452d52e57/gebukiriguvuwozuwenej.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/bf5946a32db9a2f52ded459ddc1accac/puperiropitedoxukirusupe.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/fab07c6c1dcfb54c3f012b3a915c48b9/mexokarudatulakanavi.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/35ded7733d357bcf7f6aaf1fa694dd5d/59035611275.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdcf2964d5---wubemabetutanoxir.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/gumufilinirewiwize.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bc51e6a39---15715000604.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160dac2c93d5be---zutotomorelewajilo.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/71b4bb07d9ff76a693debccda69fd56f/94857468875.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160914216e48b6---riluwodig.pdfIn PDF document text
  • https://projetounificado.com/uploads/files/tepurokamubunasijivofo.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0fed74bacf---kokufulanizaxejipurigit.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4148730b0d---56339636052.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=frequency+maths+formulaPDF 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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