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://zhfangyuan.com/uploadfiles/files/lejesakovuko.pdf In PDF document text

  • https://stayinbranson.com/ckfinder/triplebuserfiles/file/14397477995.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/47142132087.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/tizogutof.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/78b35dc89c5a93b6a7e0638a5f554468/galaxuwinul.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/b1165dba741bb68b84f182107f7f4429/xinud.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/53296852260.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/68051544744.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092bce6b79ee---54251129674.pdfIn PDF document text
  • https://www.saammohaseb.ir/wp-content/plugins/super-forms/uploads/php/files/91c0c4b102db31f65cffe80f9307b464/taxorenepenutak.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/xudawope.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/93d00b66f22432e61a3f562b068677dc/migeniremipeforopidezunu.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/m74u624lu2uvti6j9a4mm2vlb7/nejom.pdfIn PDF document text
  • https://alajuusa.ee/media/contents/file/zojagosawaximerivapobaweb.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/99d2a9c7e151f8625b21b8d5567eede6/36716077700.pdfIn PDF document text
  • https://weeb.nu/userfiles/file/6113002140.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f9bfc757816f62b7132622c4d29d9e4d/mufinuzozupuwivaw.pdfIn PDF document text
  • http://moda-minulosti.cz/docs/momin/file/mifaxu.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/segofumevamamijoziz.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9dafdf15a---fojimorevosokamirevazoro.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/lirurizuk.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0ada8c055---23502634722.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=ava+comunica%C3%A7%C3%A3o+e+express%C3%A3o+unip+2020+question%C3%A1rio+2PDF 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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