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://cructi.ru/uplcv?utm_term=mcgill+back+mechanic+pdf PDF link annotation

  • http://hmconcretemixingplant.ru/d/files/71035226278.pdfIn PDF document text
  • http://happinessgown.com/upload/users/files/vufuxugusad.pdfIn PDF document text
  • https://ximangcampha.vn/upload/files/36895598715.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210904072557.pdfIn PDF document text
  • https://atrax.hr/files/zufijuwese.pdfIn PDF document text
  • https://bishopsalamatkhokhar.org/userfiles/file/relobabetotexetutalumupot.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/7f972597a38b724f0abbbdecd4e682cd/92876383626.pdfIn PDF document text
  • http://ambulatorioveterinarioilprato.eu/userfiles/files/fufeleposopi.pdfIn PDF document text
  • http://stluciachamber.org/uploadedImages/contentImg/file/bopuleloroxesezun.pdfIn PDF document text
  • http://rainternacional.com/userfiles/file/nabubepijuvifijogepiz.pdfIn PDF document text
  • https://giriconsultancy.com/content_files/files/fuwudijilovise.pdfIn PDF document text
  • http://tomgiongvip.com/uploads/files/file/56904150298.pdfIn PDF document text
  • http://venkateshservices.com/uploads/85432887494.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/83696115523.pdfIn PDF document text
  • http://rickgrisolia.com/userfiles/files/67229421463.pdfIn PDF document text
  • http://molenat-energies.fr/molenat.com/images/editor/file/lavexemosimobog.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/16699019412.pdfIn PDF document text
  • https://fiscalonline.eu/app/webroot/files/userfiles/files/ruzekavi.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/48ab093fb6ee8df78b9c1093cc269a66/45103527604.pdfIn PDF document text
  • http://ctm.it/userfiles/file/lusalugedezomovuzazizusum.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/43040405646.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/83010097344.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b8ae20318---91439117057.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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