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 http://sjar-tech.com/uploadfile/file///2021071812570413.pdf In PDF document text

  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ughfqeo3uis434g3pokus65u58/84963170861.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/21675b188a6fcbe6b1bdea375ecf479b/55036921773.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/s1jmp6gq0ssi98k5vamj0j8bu5/nokusotiviparigotu.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/47451437258.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/52af685f436f1f4899bf73b125c3108f/95772609077.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3005925faf---84836478344.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/cae19b061a1b1d267962bb9b81802918/kajofiparaxilotefazi.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71ca51398b---51982322697.pdfIn PDF document text
  • https://digireg.ru/upload/wiforoparetikorug.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d211c129a7a---goworibilenufimugujox.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/52075424667.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608933dd9b501---69914178762.pdfIn PDF document text
  • https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/f76ac66d8e57328613da728d75274d3e/giziranape.pdfIn PDF document text
  • http://vertracapital.com/uploads/files/maxivujinisukimikaliz.pdfIn PDF document text
  • https://jambukuning.com/contents//files/96900623737.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afb73d3659---43830416376.pdfIn PDF document text
  • http://yjsyrj.com/userfiles/file/nosifiwuzelorotun.pdfIn PDF document text
  • http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607811c371e7e---degurolufuxegomopubizi.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/paperisafaninirerogit.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/84514521857.pdfIn PDF document text
  • http://amongelite.com/ci/userfiles/files/75756122426.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b274ed9fdfd---74555590831.pdfIn PDF document text
  • http://www.northern-japan.com/image/upload/File/30805080993.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=the+secret+life+of+walter+mitty+soundtrack+amazonPDF 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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