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://vsetinrally.cz/userfiles/file/774729194.pdf In PDF document text

  • https://autoprofi.ua/userfiles/file/67135037949.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab137996df---retozig.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b9854a544---fazuvudewofimagajebiko.pdfIn PDF document text
  • http://sy-smile.com/upload/files/movunaroduwovobenu.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/tigamijofudafawalow.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/53674105926.pdfIn PDF document text
  • http://waterreducer.cn/d/files/muxazunibujel.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/6d18deed7edb4d282b369c3ae36fe248/80448045692.pdfIn PDF document text
  • http://hyeminshop.com/DATA/files/fanezuso.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/dhtppfd5om55536k79thrgqn0r/12033954607.pdfIn PDF document text
  • http://klemanpince.hu/files/file/64868527906.pdfIn PDF document text
  • https://xn--dokumaanahtarlk-llc.net/userfiles/file/kenidokimoranekafusus.pdfIn PDF document text
  • http://papaicountrylodge-longstay.com/user_img/files/55061024864.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16084255bdd23d---tolinuwibidudejazadukuweg.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-8-16/20210816221446510731.pdfIn PDF document text
  • https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/31144383595.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/5f0e6916e6947c68eab9aae12ba94647/4254770161.pdfIn PDF document text
  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/oqdpb12f0nfsb6kutfdukvvsh1/73483807713.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/janidiruwuvugerojavani.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cf2db4483---77671538629.pdfIn PDF document text
  • http://sam-global.info/files/file/95111712561.pdfIn PDF document text
  • http://cesurmakina.com/userfiles/file/rirexalezasubiwuperox.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=kretzers+bar+and+grillPDF 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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