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://medvor.ru/uplcv?utm_term=dc+legends+mod+apk PDF link annotation

  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a501e76098---22007726343.pdfIn PDF document text
  • http://homokkepek.hu/editor_up/dorilugevis.pdfIn PDF document text
  • https://warungmimpishio.com/contents/files/fibavenikezudadum.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-4/20210904183435734564.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/5bou98jf684ft3i8h4cgnn83sk/27129012154.pdfIn PDF document text
  • https://www.medicalbi.com/ckfinder/userfiles/files/merakubivuku.pdfIn PDF document text
  • http://macabrey-luthier.fr/data/Files/nupajeledavuximej.pdfIn PDF document text
  • https://ptogel1.com/contents/files/69286271221.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/86820068898.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd9b6d2534---24759692927.pdfIn PDF document text
  • https://eownauto.com/uploadpic/files/duzezaxiwaxurikodi.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/27g6qpht87p925h216fqeh1vph/zatobazikuvununa.pdfIn PDF document text
  • https://fedico.ca/upload/editor/file/xipukosegeselodifufeb.pdfIn PDF document text
  • http://stolizstekla.ru/userfiles/file/37716897051.pdfIn PDF document text
  • http://dd-eng.com/files/files/4423212983.pdfIn PDF document text
  • https://s-h.cc/uploads/files/202109070931256538.pdfIn PDF document text
  • http://veterky.ru/ckfinder/userfiles/files/sebas.pdfIn PDF document text
  • http://divodizain.ru/ckfinder/userfiles/files/wexunu.pdfIn PDF document text
  • http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/zetekavotevazezaf.pdfIn PDF document text
  • http://vangphutai.com/images/uploads/files/74414111290.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/44856559789.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/gepafok.pdfIn PDF document text
  • http://geo-equipe.it/userfiles/files/45299030068.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613476cb4b1f4---86263040389.pdfIn PDF document text
  • http://thevalleytrader.com/files/mapevonevaniseteki.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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