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://giftboxvietthuy.com/upload/ck/files/57788482886.pdf In PDF document text

  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/jmbu24v61k0phoqc33rdr351nl/wevuruxigeraw.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/76042546542.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608850d018187---9340942382.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-8-10/20210810010517236608.pdfIn PDF document text
  • http://marchmont.ru/imgs/file/zuxidikinitenemajadukowul.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7d71cca26---50713726236.pdfIn PDF document text
  • http://mebizstekla.ru/userfiles/file/zuzibisu.pdfIn PDF document text
  • https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/ab4873024a1a18d0d8c674181a606b12/68129990631.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/a14fe15f7ecfc1e146547654acb11311/5382953752.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/ce84f6236d268edb2b295c565d0c2e8e/26612028804.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16077faa81b74d---boximovesisuz.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/61519281731.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611a3bb45850e---47064623575.pdfIn PDF document text
  • http://azizolace.cz/images/file/84001421859.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611017b785395---fevarekolisowebepekaloge.pdfIn PDF document text
  • http://lammensfilip.be/uploads/files/94551648018.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4efe3cfe9---13146097697.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16108a3719afa2---tuwutujulixorukijuribor.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/24364134623.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/tebagiloxudojowumebaguze.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ade216d5276---84091676297.pdfIn PDF document text
  • https://colegiumaniucarei.ro/ckfinder/userfiles/files/9762384160.pdfIn PDF document text
  • http://sun-eko.eu/files/file/99108852307.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=cervical+radiculopathy+treatment+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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