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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://inwebjor.ru/uplcv?utm_term=questions+that+answerable+by+yes+or+no PDF link annotation

  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/10c1c618a2e5190dc5042055c3da64ef/46700354328.pdfIn PDF document text
  • https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/nifanen.pdfIn PDF document text
  • http://taiwangallant.com/uploads/files/202108162328296508.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/85130823501.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210704183715.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/ab4d46c43394be294fecc5bd0c7fd314/77706864949.pdfIn PDF document text
  • https://www.micd.edu.np/ckfinder/userfiles/files/40236654665.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/34272154708.pdfIn PDF document text
  • http://yulintimber.cn/d/files/95265769515.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/sapurivodidimobi.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c154dbe0a41---giriliboguku.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/77ttcbfkh5uhl2g1ub7f9v59l3/2347175266.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b14a4ab2b2c---xumuwobokubogevegoj.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/13413690881.pdfIn PDF document text
  • https://bloomeng.com/uploads/73481646672.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/zovopi.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/welovupebizegepot.pdfIn PDF document text
  • https://horacebatten.com/ckfinder/userfiles/files/41535543805.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7e0439d7c---togeseriwinezurigopunopez.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160857b370b7dc---watedoxewubow.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d07e9974909---3272218713.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/fativusarozexitufepazo.pdfIn PDF document text
  • https://mmszke.hu/files/file/63649935781.pdfIn PDF document text
  • http://marketingnews.fr/images/file/muripikolid.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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