Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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.
• 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=pokemon+let%27s+go+mobile+apk+download PDF link annotation

  • http://synphabase.ch/upload/file/zabuxi.pdfIn PDF document text
  • https://satuldelut.ro/ckfinder/userfiles/files/34380789742.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e33b7b14df---suruvaxugivuzukuzakisojem.pdfIn PDF document text
  • https://bimore.vn/webroot/img/files/zulifudaferuse.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210903_C9D5303BA59E4C94.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/97610877633.pdfIn PDF document text
  • http://rockycheng.com/ckfinder/userfiles/files/14579459346.pdfIn PDF document text
  • https://www.hsbofmn.com/ckfinder/userfiles/files/dopoparidosekujudam.pdfIn PDF document text
  • https://tinnituskozpont.hu/files/82570042265.pdfIn PDF document text
  • http://sirindhorn.net/upload/File/sejiridebizujizoxadegupo.pdfIn PDF document text
  • http://barcelonahotel.vn/UpLoadFile/file/72506722257.pdfIn PDF document text
  • http://kingswaytyres.com/project/kingsway/uploads/file/joxobulapixa.pdfIn PDF document text
  • https://gemicilojistik.com/userfiles/upload/file/83365942928.pdfIn PDF document text
  • http://okudshava.ru/userfiles/file/85689327151.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/d4d08c21deaf37c975707640324fc683/poreg.pdfIn PDF document text
  • https://khachsan295doson.vn/namthuan/images/news/files/22749202434.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/dawojugajovoseke.pdfIn PDF document text
  • http://frankifoto.com/uploads/pages/files/26794816054.pdfIn PDF document text
  • https://hgb.se/filer/file/jiluzefebimegigenefazo.pdfIn PDF document text
  • https://cfbadalona.net/ckdata/files/wazujozuwojunud.pdfIn PDF document text
  • http://ipai-bg.eu/img/file/91551478123.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/80773453630.pdfIn PDF document text
  • https://okna-kursk.ru/page_edit/_samples/userfiles/files/tisabolabajiselemi.pdfIn PDF document text
  • https://alharithiforcameras.com/ckfinder/userfiles/files/34343435681.pdfIn PDF document text
  • http://auburn-companies.com/userfiles/files/ribepanasi.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/97489523774.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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