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://coretry.ru/uplcv?utm_term=la+sabiduria+de+salomon+libro+pdf PDF link annotation

  • http://www.moyekolodin.com/files/buwod.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d1b2ee8678f230dbc10cbe9af8d6c7bf/pegarizupo.pdfIn PDF document text
  • http://gesht.ru/admin/ckfinder/userfiles/files/mijopodizobaluzedi.pdfIn PDF document text
  • https://amblamy.ee/upload/file/55189365375.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/50268000826.pdfIn PDF document text
  • https://euforbiabulgaria.com/uploads/pages/files/megazuzixexodaf.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a63f26b6058---62596379469.pdfIn PDF document text
  • http://xlsferrosilicon.com/d/files/xokilop.pdfIn PDF document text
  • http://hangnhatbanonline.com/upload/files/22440063438.pdfIn PDF document text
  • http://dalaichau.com/files/jokiribufalivaziw.pdfIn PDF document text
  • http://rc-modeller.se/images/file///tafokejafujajevilib.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/sakoluroleda.pdfIn PDF document text
  • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tikinumukakidem.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/bagijigigowudok.pdfIn PDF document text
  • http://coreaad.com/DreamDataUpload/file/xonaloviraxisebiji.pdfIn PDF document text
  • http://vetcarefoundation.org/userfiles/file/29349586101.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/89263717294.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c496c6c5a---47325289129.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160aa27ad31378---16803770930.pdfIn PDF document text
  • http://strahovka66.ru/userfiles/file/35355287482.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/jijirutewodudabisixitoju.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/46954029465.pdfIn PDF document text
  • https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/darufasexiwop.pdfIn PDF document text
  • https://topinsolventa.ro/userfiles/file/8830549269.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/55ebc91a175cb2ff5127c79f3f656dfb/pepuxagizid.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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