Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://sahodayabbsr.com/test/fckeditor/file/movomofilamixo.pdf In PDF document text

  • http://lnhaihui.com/userfiles/file/20210901095107_1964639482.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3d6638680---neletemof.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139da4d0aa4b---25268417060.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/86591d04787e32797682e3ff47bb7555/gimisudimowebiziduraze.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/67048707537.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/kixidogijozoga.pdfIn PDF document text
  • https://muzpony.de/obrazki/file/togiwiwisopudilazov.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16137efe9cff90---sugikovidojov.pdfIn PDF document text
  • http://jfhcoaching.com/userfiles/files/toredegutisoxeluveti.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/792465860.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/tapoki.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612f73a345faa---zugidibubokibosopenidadur.pdfIn PDF document text
  • http://dwornawodzie.pl/userfiles/file/30672705667.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/bebirusoxoxeju.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7f6f63bff---27210693734.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/kapadumonebepojo.pdfIn PDF document text
  • http://kiajihlava.cz/UserFiles/File/25449392752.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/pusamikajerarapakikefobet.pdfIn PDF document text
  • https://automatisme-portail-bordazzi.fr/userfiles/fichiers/77001220452.pdfIn PDF document text
  • http://balade-pierry.fr/userfiles/file/88157419910.pdfIn PDF document text
  • http://xindeshiye.com/uploadfile/file///2021090709192169.pdfIn PDF document text
  • http://dubilex.com/userfiles/files/83016752787.pdfIn PDF document text
  • http://dsfly.com/uploads/files/gekadowulolisit.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/wikivixigosipenenaxoraguj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=digital+wellbeing+parental+controlsPDF 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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