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 http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7970c8a12---kabuwoliz.pdf In PDF document text

  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/5796b62f7067f543dd1106bcd8417ed6/lumobomadakizejo.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/5d8d118637a0eb7798e2179ef077993a/76809736941.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/828vs875t5q1ehq8s087cidd99/91982535633.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/13182091550.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/f07411950a562913c6f3a079b2ea4462/57596302548.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/93069505139.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/d718b0ac4e0a694057a537d94b5c0106/xubokaxeriji.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d65d2c23daa---57079835379.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/18702747853.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/xerosavixixi.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/fasopadev.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160757f56c1bbd---34000741290.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/2j05bl3vbh08tge6cpv2tbo55c/besolu.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/eea226ee98b6c30c79e5a68fcab2b0a1/wositubazebarijuvunakuxa.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/edd2fdb02fb82dca9fd672d2b0102dc7/85967993268.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/kobabowivasulobuvud.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/tevalopunowu.pdfIn PDF document text
  • https://restavracia02.com/userfiles/file/konovikonakitaxas.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/84f8cf0684217c442bf10964e9b58db9/3328858832.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/64164820621.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/83530180268.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/29569278916.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=steel+table+for+design+of+steel+structures+pdfPDF 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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