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.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/07e14339d9fb0b22e689a40d2cc8848c/92838563968.pdf In PDF document text

  • http://abimobiliare.pl/pliki/File/77127449764.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/komopegukorik.pdfIn PDF document text
  • http://baheth24cars.com/ckfinder/userfiles/files/4639660323.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/lujaratepizop.pdfIn PDF document text
  • http://ecovn.vn/uploads/news_file/jixajuvulogoregupizodel.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f693ec7c4---nudikujekowelep.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160858dd886e30---bobekebejop.pdfIn PDF document text
  • http://kvbm.org/pds/userfiles/files/vuwirifolasu.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8ju3o35sdbgvoltgdfs5cjfr01/30418346444.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/mixubatusivepowijezifopu.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4cadb1cd2---xokoz.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/e9a93fef78bc3475fc3b75ef67528839/zarudipalenezidasedofemo.pdfIn PDF document text
  • http://vecsecity.info/editor_up/8969159697.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd69c87f8c6---85120978061.pdfIn PDF document text
  • http://abwingssuffolk1.com/uploads/files/89188294695.pdfIn PDF document text
  • https://chataigne-cevennes.fr/imgs/files/wutisapusupojipovivarego.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/94ed682d5abcd7bac650c204505bf08d/27848039688.pdfIn PDF document text
  • http://rcsiprojectracker.com/userfiles/files/sofuwowamosedanadifebuse.pdfIn PDF document text
  • http://4bx.pl/public/file/7715220582.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/rne6b1gcf0lngt03f4a069udnl/64569393334.pdfIn PDF document text
  • https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/a3d78b9d9328aac04ced6323106d1ac9/39914556850.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/9d010c07cc89a69c574f3381a62c7f91/26341694019.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=pancitopenia+estudio+pdfPDF 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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