Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://drafthe.ru/uplcv?utm_term=iptv+client+android PDF link annotation

  • https://vico-domrep.com/ckfinder/userfiles/files/pasoritokilanutakasuno.pdfIn PDF document text
  • http://thekitchendesignstudio.org/uploads/files/67568600304.pdfIn PDF document text
  • http://worldplastsolution.com/ckfinder/userfiles/files/bawufisumajazuz.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e7890a181---nadevoreradawibezovikoxu.pdfIn PDF document text
  • https://tootooair.com/FileData/ckfinder/files/20210907_CC4BEEC0D3D9F50E.pdfIn PDF document text
  • http://velocimapper.com/webfiles/file/34764231394.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161317e26b19fd---xosubododu.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/romot.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/47664117530.pdfIn PDF document text
  • https://varida-tech.com/ckfinder/userfiles/files/91521305025.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/e377f56e5ea0a30dcafda673bf8d014e/71026770466.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/zajisejakozagagezedufeku.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/69312518507.pdfIn PDF document text
  • http://daeryuhealthcare.com/ckupload/files/22250601906.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/gumiloke.pdfIn PDF document text
  • http://www.pes.edu.mn/ckfinder/userfiles/files/91028824029.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-1/20210901221754279618.pdfIn PDF document text
  • http://connectcontrol.net/files/userfiles/files/26804784749.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/53ad9ee5264ed4e6437d65f94da35562/riwirajukip.pdfIn PDF document text
  • https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/87557184039.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613565735c1f1---77832192775.pdfIn PDF document text
  • http://jsqnchem.com/upload/files/22314996896.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/27530209218.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/10222309998.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613819cec983f---pusawizub.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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