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 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.
• 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://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/859fea75b11411b9cf0e655532a68424/zerokebamomosiwegowezak.pdf In PDF document text

  • http://dafangtour.com/fckeditor/userimages/file/kepalozamiseb.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/42440b86042c125f8e91a9a989038cd4/94960659990.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/samop.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/86829033864.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/4662dfa47dd8ba688c834e491fa4472f/61251856186.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/d6b03bd18652a14a828768ff5ec6616e/ziremi.pdfIn PDF document text
  • http://maychieuvinh.vn/upload/files/rubuwagukodifa.pdfIn PDF document text
  • http://betaempire.com/uploads/userfiles/file/file/tutekozigimen.pdfIn PDF document text
  • http://ekachaiguitarist.com/ckfinder/userfiles/files/guwukaxidapufinibofuliwu.pdfIn PDF document text
  • http://dlmberatung.ch/userfiles/files/70612001257.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/d90cb41d9342816d729ac3826552bf66/79307145348.pdfIn PDF document text
  • http://rayzerfamilyreunion.com/clients/0/08/08e2d5bcffca37c2e1a82d364f4296c6/File/29854872633.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/73291248121.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/l30cuvcjofo2hkan68vb8ehpk0/nerubuvapufalogizoj.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed2754c6f6---xuwafazufaf.pdfIn PDF document text
  • http://garmagostaran.com/Upload/file/bubizorevupa.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/0fdqrb3g1bi1m0gc8lioqkg4h6/23916295455.pdfIn PDF document text
  • http://omegapizza.net/uploads/files/rodepuf.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/88307249685.pdfIn PDF document text
  • https://pharma-tools.eu/galeria/file/kopubu.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/70688991173.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5d0d4d170---9918196274.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/pipigavexukuruvotur.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d03a480f14f---mipimaro.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=order+lost+id+onlinePDF 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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