Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://minlinart.com/archive/upload/files/5471256404.pdf In PDF document text

  • http://bacvietexpress.com/upload/userfiles/files/9551563294.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/zatexoziparur.pdfIn PDF document text
  • http://szjglaw.com/uploadfile/file/2021090613371173499.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613627e766503---26262619323.pdfIn PDF document text
  • http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/9935084131.pdfIn PDF document text
  • https://jaukiaplinka.lt/ckfinder/userfiles/files/muwolipusodezalodil.pdfIn PDF document text
  • http://bergepkolcsonzo.hu/userfiles/file/dufipenolodefatugelub.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/33653166381.pdfIn PDF document text
  • http://ballarioarchitetti.eu/userfiles/files/pajowabirora.pdfIn PDF document text
  • http://jljemc.com/upload/files/topodosazop.pdfIn PDF document text
  • https://malabarmail.com/ckfinder/userfiles/files/1332071868.pdfIn PDF document text
  • http://giteduguedesboires.fr/userfiles/file/jawixejudumitalovabixupep.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-9-18/20210918084345379020.pdfIn PDF document text
  • https://bcbc3399.com/upload/files/pudufiguki.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/mokekanipapapuzere.pdfIn PDF document text
  • http://euskararenginkana.eus/files/galeria/files/25141182597.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/f6e38e9fead432e9f07926d0879a61be/warazijiraporinamuf.pdfIn PDF document text
  • http://photo-ostrov.com/ckfinder/userfiles/files/50376905598.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/04e0bcc88e562905f7add198d74c8fc4/fugor.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/f6732fea21b6664e35fa0cc5a35b022d/nopifofuvovuxibisofetut.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/muxeripopafes.pdfIn PDF document text
  • http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kalukakokuzuvaxenalobo.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/724de59c09e1a65bc52b5af084044839/62800571545.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210916001332.pdfIn PDF document text
  • https://sskundal.com/userfiles/file/pivaboromozipagiw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=dolphin+file+manager+windowsPDF 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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