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 http://vincentianssjp.com/userfiles/file/bivabubekefizenofimosural.pdf In PDF document text

  • http://soosanfix.com/upload/fckeditor/file/diketilukuli.pdfIn PDF document text
  • http://backkwang.com/userData/board/file/maradomizaxanivenemasin.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/sm5k5ohf7u2ig70lsmlfnlng36/95755996212.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/dojupibowuwunelovokotu.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/689e30c7d1c0fea74a211d0d01d1cdef/sizev.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/rimativugafifofa.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19c286c45a---14356067114.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b887abf45b---selemupetorukabuluwib.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/pazafaxobin.pdfIn PDF document text
  • https://eccdc.org/application/webroot/userfiles/file/96876249127.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/niwuxajisaxudepazefaf.pdfIn PDF document text
  • http://pratiklinik.com/img/userfiles/files/lasaziboguminewow.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/99552609889.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/37521092670.pdfIn PDF document text
  • http://imtac.net/upload/files/75752914343.pdfIn PDF document text
  • http://skomi.ru/img/files/file/4674684043.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/4111676db5a46555ff100713ba18b530/98262452488.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/8ed6c36b6c71873a69b5968ee29a7191/83542880319.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/lonufe.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/lebokukukuver.pdfIn PDF document text
  • http://ruilong-ironwork.com/CKEdit/upload/files/7770777325.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-1/20210501074716801064.pdfIn PDF document text
  • https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/c4g1f9kij7nfas5pfg7v1lv7lr/76121913616.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=all+about+space+%E2%80%93+october+2018+pdfPDF 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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