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://inwebjor.ru/uplcv?utm_term=user+story+mapping+book+pdf PDF link annotation

  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/22999802448.pdfIn PDF document text
  • http://wrhs1967.org/clients/6/61/617565fc8afb9cc6d18abf932d248b7a/File/74429830941.pdfIn PDF document text
  • https://propiedades.net/ckfinder/userfiles/files/96893817427.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3518c7eea---favok.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/d8c2dfc3858bf701d806b08c761aa919/runav.pdfIn PDF document text
  • http://vzwsportenmuziek.com/content_docs/pexoxiwewavagivizaxub.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/75a90284d1266f2cf776250bd5dd9fdf/20995507179.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/sokimebesutalipariseg.pdfIn PDF document text
  • https://recrut.com/files/files/51949754663.pdfIn PDF document text
  • https://ltanimalpark.com/wp-content/plugins/super-forms/uploads/php/files/d083079a1e685ea9a3b7967727752312/33598935532.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/e96b0b44e64ef15feb8a5888976eda08/26261913148.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/8170879008.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16086fd8f5bff2---bizad.pdfIn PDF document text
  • https://ka-base.no/images_content/file/47459633370.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/16097f7c73d54a---30337838054.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d21452456bc---54234328466.pdfIn PDF document text
  • http://alfavit.tv/userfiles/file/woguzinaxunaroloza.pdfIn PDF document text
  • http://ingmontagna.com/userfiles/files/69216729806.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/fbfa069322fb376b311c70ca43f51be3/74523481451.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/4a0dbfa78e163c610b905c6028ef5e11/dejigilajuzog.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/787d65261a699890ff6b7a7f5f4fd710/53446179816.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/6jgreuacn8rg6ct0gpqa8qvj77/zazogujomemifiveweto.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608613060e5e0---levepuludisapi.pdfIn PDF document text
  • http://phs60sand70sdecadesreunion.com/clients/880504/File/didovilaxud.pdfIn PDF document text
  • http://szolnokepul.hu/userfiles/file/90239473686.pdfIn PDF document text
  • 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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