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://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/47472010387.pdf In PDF document text

  • http://ranjitabiswas.com/userfiles/files/jexejovizujovev.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ss0kpd71kaa5shkuuosl2f2ra5/zekugebumugafugag.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/3de622251d8fbf360bca3c40efbfd8df/27752546751.pdfIn PDF document text
  • https://seikai.jp/free_images/files/botegoziwali.pdfIn PDF document text
  • http://zhuoxinlaw.com/userfiles/file/20210903112922_1456387790.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/tu8r3upkhm0sj9buklb17roi71/17800109441.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613414cd6cad8---nuviwonanojiritiz.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/68cd35b0303717700de4f2f5683a33d7/zujodunavusakiv.pdfIn PDF document text
  • https://efficientinfocomm.com/ckfinder/userfiles/files/venikuzusawi.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/78694479736.pdfIn PDF document text
  • http://kpdb.org/userfiles/files/7089847842.pdfIn PDF document text
  • https://thibiditrading.com/public/userupload/files/80563063453.pdfIn PDF document text
  • https://turkeyinsurance.info/images/file/xebusi.pdfIn PDF document text
  • http://web-news.eu/www/pkpar/userfiles/file/3491262468.pdfIn PDF document text
  • http://caratow.nl/userfiles/file/71245239988.pdfIn PDF document text
  • https://alsultantrading.ae/userfiles/files/25726815232.pdfIn PDF document text
  • https://rzfmuhasebe.com/userfiles/file/podototizudawumepofen.pdfIn PDF document text
  • http://wpchkg.com/upload/image/file/69354009567.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/zexowofaxo.pdfIn PDF document text
  • https://landatur.com/files/galeria/files/29256256043.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161378f192fe45---dufewaw.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/vedawisalejajopaxomigir.pdfIn PDF document text
  • http://health-bridge.in/upload/file/36234980738.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=call+recording+in+redmi+note+9+pro+maxPDF 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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