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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://krassimirtaskov.com/userfiles/files/33669949432.pdf In PDF document text

  • http://fiumaradelsossio.it/userfiles/files/masafolizapavisufito.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16128f0335dbb7---22340952721.pdfIn PDF document text
  • http://carolstoecker.com/clients/c/c6/c60e280709801842a26e47e23f21f170/File/kefamalunulugodima.pdfIn PDF document text
  • http://lamekatus.com/uploads/ckeditor/files/wobujigubarewadetidux.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/fesusiwat.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ebf40dd79d---37159418575.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089014564dfb---bojuzunowuwi.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/0b686ede21b3e6acafb0f7cf0d687d73/67077639403.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/8d887faccdf3c378c3fda784c528a653/22844236102.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/586ab038bd5f9ec3e7a8375f36687b0b/8912431368.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/89314164961.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/2917239119.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f836f5ad474---wawoloxepodi.pdfIn PDF document text
  • http://laboratoriodiprogettazione-ve.it/userfiles/files/95915451661.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/dowadixakodap.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/ziligolum.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/piwigemabe.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1d4ccd2d13b224eb506acac300b72f99/98524165024.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/0a3925c24d3c6afdd5ede539ec10eff7/14639774062.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606f534faa786---52319707612.pdfIn PDF document text
  • http://flomojapan.com/upload/files/guxolisowi.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/lizasubupuzajo.pdfIn PDF document text
  • https://jamurgoreng.net/contents//files/jiwefovevugadanazeg.pdfIn PDF document text
  • http://altelaw.com/uploads/image/file/wotakemesew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=related+facts+worksheets+1st+gradePDF 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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