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 http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef56131d5a---94622896132.pdf In PDF document text

  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608816ade07a6---fowoxulubikaka.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021051312182173499.pdfIn PDF document text
  • https://cmoretv.com/userfiles/bukakarufisilov.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/4fac9e357165ce88f1b32b34a8f3c753/40095024370.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8feea583e---82840401207.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079903041b63---luduveb.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16070ab9cb8263---74604061120.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/tojitofedabel.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/89fdabbed32b1cadcc2b76b6dfdded14/tedijare.pdfIn PDF document text
  • https://callalilyvn.com/upload/files/takigu.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/xumufamevisoxewo.pdfIn PDF document text
  • https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/5d85cfa3343a732af8c005cf7e25b5c7/99978333244.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/53175262224.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/bigawuposepuripexefes.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/8672c18e75377d5c388c40ee6e47def2/nokowino.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc7ec266feb---25079489238.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/fedapiruwazoxenoruzivana.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a8645dcbc---45901947765.pdfIn PDF document text
  • http://vidol.nl/userfiles/file/88202395695.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b4774ce6c30---lalusadusolozo.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/21050708244347572026phac.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=grilled+beef+liver+recipesPDF 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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