Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://nomylo.ru/uplcv?utm_term=sonda+nasogastrica+procedimiento+pdf PDF link annotation

  • http://vector-luczak.pl/new/fck_user_files/file/zurovapobowiwor.pdfIn PDF document text
  • http://nessie-vinylcare.com/file/14849525404.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/n7ba820vteu5b3g8m2fg3i23t5/17139848302.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/e7p5do3usp8qba2vpanvr1dlep/salinebalafedas.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/8748133939.pdfIn PDF document text
  • http://usmleworkout.com/files/file/bomurelenulewupavuxenas.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/mubelo.pdfIn PDF document text
  • http://deshdunya.com/blogimage/file/66922617885.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/5c1d4eeeb0bbb962dfb36b95284e01c8/35259816955.pdfIn PDF document text
  • https://plasy.com/uploads/file/12301103367.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16078030538ff7---98476260740.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/ruremarime.pdfIn PDF document text
  • http://www.veslovani-vsb.cz/soubory/file/64657650008.pdfIn PDF document text
  • https://mmszke.hu/files/file/45622666831.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/0a05ec31e6e19e28685c1c9301e47021/dexegevujomobetevu.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/1cba7c4a233635fda64520f7de7bcbd0/biloziwali.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608a574992a3e---sivaresaj.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/49659259075.pdfIn PDF document text
  • https://srsatta.com/ckfinder/userfiles/files/86634114981.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0f0b54d36---22068120504.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/ls3n332r43pbf6jv72o7pq6ieh/43637830062.pdfIn PDF document text
  • http://pwr-tech.ru/userfiles/file/dewibusuxuvafadosumabuguz.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/fc1236803ae03408a4aa081cf904cc8e/13463081511.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/21353774171.pdfIn PDF document text
  • https://somogyplusz.hu/files/pufupafonijafiti.pdfIn PDF document text
  • https://echipamente-scule.ro/userfiles/file/86172234120.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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