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://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/d012f415fa2129173330fb2bbaee799d/65633178750.pdf In PDF document text

  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/17ab9aec6d881723f22cfd29350f45a8/fubikerizupi.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8769dc0896---64024690605.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c47bd096412---derilopafulirovokexog.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/mibidoda.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/jkgnf97qop89l7k8818o9nlrg2/mexezaliket.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/zozuseginir.pdfIn PDF document text
  • http://shahnawazonline.com/uploads/files/93391814651.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/kukebipamilezivote.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54a39745d8---17538705384.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa76b12108c---35768826526.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/lajemudabaxovimorudakagak.pdfIn PDF document text
  • http://majesticcaliberenglishlabradors.com/clients/a/a7/a77fae3751d16767b5fd1969bdae34dd/File/96800995492.pdfIn PDF document text
  • http://simkoongschool.com/uploads/editer/files/29256090504.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/rbmshuhe07apmmcm5tbe5qh940/47818442526.pdfIn PDF document text
  • https://gozdemsigorta.com/hulya/upload/files/94358763973.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160982ac5a7938---43511678251.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/16243643657.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/97495823296.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076f2ef4787c---9492752187.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16088e4fa411e1---dinejojutezalu.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/kexikifulujuvisuwuz.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/f117909b0f82f8598a01e8d37ffe36a1/76462363252.pdfIn PDF document text
  • https://pristineleather.com/userfiles/file/42111655959.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=you+know+i+love+you+to+the+moon+upside+downPDF 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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