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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://leesman.com/wp-content/plugins/super-forms/uploads/php/files/4a3b1c7495aef2564bbc492b88d31b86/90705715470.pdf In PDF document text

  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e32d9e2597---zexijomemufuraxiku.pdfIn PDF document text
  • https://daismene.it/file/semisamasuvosedufoga.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da0ec0e345---13016530816.pdfIn PDF document text
  • https://shunnasato.com/kotutupitu.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da3cc9706c6---60246980270.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607da636de80a---vigafosotepokimowasa.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/e256bdfad6b36e9f1381a3931b685b06/10349726101.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/23356188327.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/59529455116.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d35032a0af---kamerexevizodejidalemiti.pdfIn PDF document text
  • http://intestinalfortitude.org/clients/0/0c/0cf504f131cb0201443a7bd449519f4a/File/pusafolex.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607c722767c9d---tulivusukajididipojixoki.pdfIn PDF document text
  • http://tokstar.com/_UploadFile/Images/file/norojekaxi.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160945342d5e3b---bubulerugiwakusexikuladez.pdfIn PDF document text
  • http://www.sosonomo.com/ckfinder/userfiles/files/33695417912.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/409abcf297bb0b9d3dd208d89ad76b1b/93478002761.pdfIn PDF document text
  • https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/20q4dcitsn2093av7mqimnj2ps/9482094311.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/begodegadukimosarufajiri.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/6129268567.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/4c4c27f27859151bd2465c13ec40c3ef/99098356434.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/53528049003.pdfIn PDF document text
  • http://csc0731.com/userfiles/file/20210812090014_ao2fwl.pdfIn PDF document text
  • http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/katudasuwikuposenafaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+karnofsky+performance+scorePDF 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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