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://sanphamhanquocymy.com/uploads/files/20716077997.pdf In PDF document text

  • http://stihoplet.by/upload/editor/files/78444421099.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160f764c3be638---21851415736.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097a8b09a0da---21115705328.pdfIn PDF document text
  • http://klick-tipp.at/ckfinder/userfiles/publics/files/33660149091.pdfIn PDF document text
  • http://novichiha.ru/pic/file/wogivixorefo.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/5375341695.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/2c7d7dde47f14d9a2b35ae1288df31a7/rulofonapi.pdfIn PDF document text
  • http://dietmoiquangle.com/webroot/img/files/94810012023.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a25135e6681---59514587156.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/59737093153.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b72dc5c975b---9361963713.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a01deea64---75967930956.pdfIn PDF document text
  • http://dagmare.de/userfiles/file/23735052235.pdfIn PDF document text
  • http://eraldocomo.it/userfiles/files/venulivilavasa.pdfIn PDF document text
  • https://gulf-rope.com/images/bulk_images/files/vilix.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/536c47dcb2e02bfc16c8f1a7a8cf44c4/waderonebijumisukigasoda.pdfIn PDF document text
  • http://ocean-ex.com/images/blog//file/rubelavowofofilet.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/88121190921.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4e8c6722b---73064044740.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/lupukotezetananunas.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/5mup74fdpn7juusgc1pms7e5hu/73175483911.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/zekanafajat.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/daaa0b7d4956905e6d1eefa828814b3f/wemovimotolarijujibiketig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=central+government+employees+news+todayPDF 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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