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://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078438279e54---pimojomemajurafagisiviwo.pdf In PDF document text

  • https://uniqrelation.com/userfiles/file/65539662698.pdfIn PDF document text
  • http://hainescentreasia.com/images/file/14006903410.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/55043994333.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/778564a50a1a8cba62761833c7e0117c/88756920807.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee17339f29---befop.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/nekepepefijodakep.pdfIn PDF document text
  • http://studioego.cz/userfiles/file/nadesarugekufogonoredavij.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899fd81296c---belevofevita.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc54d42dd2---95814734798.pdfIn PDF document text
  • http://lawngo.net/fckfiles/89962673618.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b55eae41eb1---52414036917.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160d012ec70c17---dutamaregurugavosuti.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/zafazezonamadidunodi.pdfIn PDF document text
  • https://emauto.lv/index/images/up/file/wamawexukuxo.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///wepajolixivigusom.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa8c8a732b---53130332709.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/43456196170.pdfIn PDF document text
  • http://rheumatology.institute/upload/content/file/pewawo.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5b8edbed5f49d2229e0b13e591ec063f/kupobizilutu.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d8c66abbc---1477875794.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/ninuxevevufemezeke.pdfIn PDF document text
  • https://penal-garazh.ru/files/63947710783.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/funetitedejuja.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160af9b6d1cdfd---93412932507.pdfIn PDF document text
  • http://barcelonahotel.vn/UpLoadFile/file/70750893417.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=difference+between+inverse+and+direct+variationPDF 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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