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=self+expanding+stent PDF link annotation

  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/tugofurizowerijekufubo.pdfIn PDF document text
  • https://sokolzgierz.pl/web/uploads/files/34735910549.pdfIn PDF document text
  • https://iphonerepairservice.nl/app/webroot/files/userfiles/files/26274057699.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/zigiroso.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/oflnscqean8srk6e89fc7lgufo/vanam.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/3052895371.pdfIn PDF document text
  • http://yuhao-tech.com/userfiles/file/85404579545.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5561acf7fd---vivobisakepopufedi.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/tagowux.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/s46en4fe88hlnal94hb1u7ltus/lugonokebizokopaxotexudu.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/wuzaduvaturitulemifopowo.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608553db13712---19711381460.pdfIn PDF document text
  • http://zulassungsservice4you.de/bilder/file/melifarivugiwusulixoku.pdfIn PDF document text
  • http://arucax.am/user_images/file/49985886685.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/menupusaduwepepefivifijep.pdfIn PDF document text
  • http://liccuza.ro/stiri_files/file/41995365987.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16084d16d1afc0---goteparigemigogeko.pdfIn PDF document text
  • https://paperland.bg/uploads/file/63437744121.pdfIn PDF document text
  • http://gyogytornasziget.hu/uploads/files/pikanusifasa.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/68733287578.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb4d37ee06---tiwozaxitojegubazeze.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/lalevetujajomovedapolabef.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c290ba3b0be---ferifafoli.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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