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://queure.ru/uplcv?utm_term=hacked+movie+watch+online PDF link annotation

  • http://jinistudy.com/_UploadFile/Images/file/lafoborigutur.pdfIn PDF document text
  • https://literie-depot.fr/UserFiles/file/98379174998.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/26573711176.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/nawizamozevutufatonog.pdfIn PDF document text
  • http://4998horo.gmmwireless.com/contents/files/73380986629.pdfIn PDF document text
  • http://kietminhrivet.com/upload/files/sudolowixake.pdfIn PDF document text
  • https://hearing-outlet.com/uploads/files/202109020005264442.pdfIn PDF document text
  • http://nhatrangpalacehotel.com/app/webroot/upload/files/beposifed.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16142cda93c8c0---61806381317.pdfIn PDF document text
  • http://lecostationery.com/files/file/83848560515.pdfIn PDF document text
  • http://naphotelbangkok.com/userfiles/files/jilenobutewujomaxigesuw.pdfIn PDF document text
  • https://ms2gacor.com/contents/files/53883171535.pdfIn PDF document text
  • http://canvangdientu.com/images/file/vugabexikipuvoriko.pdfIn PDF document text
  • https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/91846115715.pdfIn PDF document text
  • http://borik.customreal.sk/data/files/60431634916.pdfIn PDF document text
  • http://cloverdiamond.com/file/15767187192.pdfIn PDF document text
  • http://triple-a.co.th/ckfinder/userfiles/files/87946746599.pdfIn PDF document text
  • http://abhinavabhishad.org/userfiles/file/morumixotu.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614409951fb8c---19040800719.pdfIn PDF document text
  • http://majedalkarkhi.com/pics/file/24646875771.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/79727619714.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/49929473582.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/d832eca188d7e20e5da50691a6ff6a82/59483750895.pdfIn PDF document text
  • http://donovaly-ubytovanie-safran.sk/web/userfiles/file/63176052467.pdfIn PDF document text
  • http://dayou.tw/uploadpic/files/202109180501595795.pdfIn PDF document text
  • https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/papelazotibenoronav.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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