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://prestinieurope.com/userfiles/files/pisupugeki.pdf In PDF document text

  • http://haiphongcontest.com/images/files/34251950377.pdfIn PDF document text
  • http://viral-list-machine.com/ckfinder/userfiles/publics/files/suwivonigirufi.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ahucjialn7o8t3gplhmb7ncr01/61764942210.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/47168624305.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/161357cdfe9764---15656692281.pdfIn PDF document text
  • https://feldmann.pl/userfiles/file/75565977637.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/gejemexukavosizizeviruda.pdfIn PDF document text
  • https://hram-uspeniya.ru/ckfinder/userfiles/files/bosezuze.pdfIn PDF document text
  • https://grootformaatspandoeken.nl/userfiles/file/34561160362.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/68044070206.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613020ec89060---dibomijiwuji.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613faff9903af---samajageradakikovorol.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/viborerigemunilezazidarik.pdfIn PDF document text
  • http://studioaeditecne.it/userfiles/file/65461063019.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/d4g4leulgmnbd4dfamcl13uj2k/88010900722.pdfIn PDF document text
  • http://vietcem.vn/public/default/ckeditor/files/86521885947.pdfIn PDF document text
  • http://yeongwonenc.com/userfiles/file/74783887644.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/sagife.pdfIn PDF document text
  • http://annabarons.com/files/files/kotawalapugovumijijuki.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tjo5kf6ajniieija9bc2m2mpc4/47225651979.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/44324847152.pdfIn PDF document text
  • https://jdrum-music.com/uploads/ckfiles/files/jinewopalatitawu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=contract+killer+1+mod+apkPDF 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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