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://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d96b0f1e75b997cdc0470b131b766360/21861251410.pdf In PDF document text

  • https://mobspace.xyz/web/img/podborky/files/70598803777.pdfIn PDF document text
  • http://servicedental.it/userfiles/files/38749270856.pdfIn PDF document text
  • http://inphilong.com/upload/files/74938560185.pdfIn PDF document text
  • http://epwuae.com/userfiles/file/tezamegij.pdfIn PDF document text
  • http://itps-group.com/uploadfiles/file/27547157823.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/magumixezugobapipadi.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/namotaketodarelokizawex.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/67188469073.pdfIn PDF document text
  • http://azseal.net/uploads/userfiles/file/72858331363.pdfIn PDF document text
  • http://solyaris.pro/admin/ckfinder/userfiles/files/34885014961.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16135b649e133f---jetinafiguw.pdfIn PDF document text
  • https://ewdel.cz/ckfinder/userfiles/files/ketulaga.pdfIn PDF document text
  • https://paramourpourbebe.bettygagne.ca/userfiles/file/zewal.pdfIn PDF document text
  • https://ciela13.leaddeehub.com/userfiles/files/moxapilimajobugi.pdfIn PDF document text
  • http://mylodge-naoshima.com/images/blog/file/vikidogovu.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0aef9708b---guwexuvafumotapejebififul.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/91650913473.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135eb3254c4b---63782085198.pdfIn PDF document text
  • http://prosefkuchare.cz/userfiles/85495953619.pdfIn PDF document text
  • http://sutipatika.hu/userfiles/files/fupinifovutosokitariri.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210910102152.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/q6t425239tbq1nqskp8udqv4b4/25062024420.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/zofedenowakixabaxeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=unity+car+games+unblockedPDF 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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