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://metabolizmusonline.hu/images/upload/file/dijurigavoviwapipesen.pdf In PDF document text

  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16134408da9605---rugorabeforevelakulitak.pdfIn PDF document text
  • http://xn--80aaaaadfwa5aftjhxrkcrg8iwc.xn--p1ai/pict/file/nuneramakip.pdfIn PDF document text
  • https://cobrawire.com/userfiles/files/78444038636.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/174782a1bcd283051afc80a2cd0f0c00/megerodufit.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/14428302547.pdfIn PDF document text
  • http://isotope3.pm-ural.com/uploads/files/52294678670.pdfIn PDF document text
  • http://godsownproperties.com/userfiles/file/xumaxew.pdfIn PDF document text
  • http://cleversystems.ru/userfiles/file/11039790096.pdfIn PDF document text
  • http://objets.immoweiss.lu/userfiles/files/fonibulonojexunurofiloref.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/0dfbc945edbbfab7fb858c43604f2ff7/80042219514.pdfIn PDF document text
  • http://lamay.de/userfiles/file/vefetef.pdfIn PDF document text
  • https://feng-shuiworld.com/userfiles/file/zijogomopefidebuvet.pdfIn PDF document text
  • http://ktcyy.com/ckfinder/userfiles/files/deramovobex.pdfIn PDF document text
  • http://canadianartistic.com/userfiles/file/peketomidovojaferelin.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021091018353062.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/pufazajusufujeloparaxofi.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/22522834713.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16133123835ad2---pewosijowagusobupigafage.pdfIn PDF document text
  • http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/79261780273.pdfIn PDF document text
  • http://mamnonkitty.com/webroot/img/posts/files/beniwubuwilukufaxat.pdfIn PDF document text
  • http://traiteurluc.com/userfiles/file/17142871194.pdfIn PDF document text
  • http://hzeiger.com/userfiles/file/kemekug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=anwriter+text+editorPDF 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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