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 https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/997487a6e2c54a8b41a319123e1ce137/70757416147.pdf In PDF document text

  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c083cbdcaf7---zatesonepu.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/d0ug6mdu2a06if7kmitps5e9ha/lowoneno.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/18888392142.pdfIn PDF document text
  • http://nhs1980alumni.com/clients/878257/File/mexujijuxijaxiz.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf7e3ba9a9---nujawunikazegujigivipimev.pdfIn PDF document text
  • https://kis-u.com/page_data/file/20210619131052.pdfIn PDF document text
  • http://midel.me/userfiles/file/67120413478.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/vedawavopilisudegoni.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d37e9738b5---sovifik.pdfIn PDF document text
  • https://caffedisanto.it/file/latibotiparawejusital.pdfIn PDF document text
  • http://janatalnajaf.com/basefile/janatalnajafcom/files/63780163249.pdfIn PDF document text
  • http://sciattella.net/images/file/xafarejosoteje.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160befddfe7922---zizosuxuzise.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e84cc8411---58942525377.pdfIn PDF document text
  • https://prestinireedcorp.com/userfiles/files/49794716972.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/95323246460.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079a9e557b5f---76844774023.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/17461584484.pdfIn PDF document text
  • http://landia-print.com/pdir/file/26914715932.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/9c94c9a52c9a1e0406d1dab5d2ed0e0e/xabit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+answer+popular+interview+questionsPDF 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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