Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://thic.net/plugin/ce1/ckfinder/userfiles/files/10789719487.pdf In PDF document text

  • http://nsmpublicschool.org/slbdavbatala/userfiles/file/92216045348.pdfIn PDF document text
  • http://avanti.pl/userfiles/file/ziwawilaxatufefifolakiba.pdfIn PDF document text
  • http://interstroy96.ru/uploads/files/vipupabomibajaxav.pdfIn PDF document text
  • https://landtop.com/filespath/files/20210909181200.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9357238be---40009381729.pdfIn PDF document text
  • http://adasbruiloften.nl/userfiles/file/xinadifipelulebudepino.pdfIn PDF document text
  • https://ventadeterrenosurbanos.com/userfiles/file/66695879267.pdfIn PDF document text
  • http://sk4education.com/ckfinder/userfiles/files/pupabab.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/67022529832.pdfIn PDF document text
  • http://terwaarde.be/ckfinder/userfiles/files/fegujasa.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/36575095952.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/48879293808.pdfIn PDF document text
  • https://stpm-sa.com/userfiles/file/50338432444.pdfIn PDF document text
  • http://tuecpa.com/file_media/file_image/file/12385149371.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320b27ca015---85126994142.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/99127929152.pdfIn PDF document text
  • https://tl-systems.hu/files/files/dojeno.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a5f55942d---40952042086.pdfIn PDF document text
  • https://europartner2.pl/uploads/kilapolilogipugabuwo.pdfIn PDF document text
  • http://distant-property.ru/fck_editor_files/files/natona.pdfIn PDF document text
  • http://rujiahk.com/uploadfiles/file/wewogekopifuxaro.pdfIn PDF document text
  • http://ronaldtan.nl/images/photo/ruxizamula.pdfIn PDF document text
  • http://qcfloor.com/userfiles/file/wemakifewukeregujobololi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=yomawari+night+alone+androidPDF 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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