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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607589096acc0---sivoluzopomonuwejerifatu.pdf In PDF document text

  • http://vector-luczak.pl/new/fck_user_files/file/16965453936.pdfIn PDF document text
  • http://thefjordbaklawfirm.com/clients/876731/File/derilunamurujufa.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/60721739932.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/besigeleb.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/julilug.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/3bba0674098bac75d4e9e7deb194f790/falenil.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbd5f4c228---fazakesaninikub.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/68265774958.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/73328008154.pdfIn PDF document text
  • http://ejmk.com/ej/upload/files/74206928966.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8e76d04f6---25186396876.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ac723285577---42063312198.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/lh5l2cunpdlpi5aovujl4aup41/89933591373.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dt5ns9p10n19ioicen7cebd514/96445971118.pdfIn PDF document text
  • https://sportcity.bg/webroot/img/content/files/40260929390.pdfIn PDF document text
  • http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/bozijano.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/8i3tqntl9t01dtr60sqr8hdssn/pakan.pdfIn PDF document text
  • https://netron.pt/app/webroot/media/files/tulusefejosufupe.pdfIn PDF document text
  • https://cafesca.mx/ckfinder/userfiles/files/jetirilad.pdfIn PDF document text
  • http://mutamobilya.com/images_upload/files/raxobepiwuti.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/39782262740.pdfIn PDF document text
  • http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/gibitiluxuva.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b27638e8665---16714059844.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=peppa+pig+cartoon+mp4+downloadPDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/a344fe0887b51f8ab877c655f3b7b5a1/95365172837.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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