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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://nomylo.ru/uplcv?utm_term=set+dark+mode+chrome PDF link annotation

  • https://dd-inside.de/userfile/file/In PDF document text
  • https://iwanbim.com/userfiles/files/wobegikesa.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/miviregemubatuge.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613358bd389ce---40153287486.pdfIn PDF document text
  • http://architettoletiziamasciotta.eu/userfiles/files/bawofapewugowukisefo.pdfIn PDF document text
  • http://chieucoingason.vn/files/41507312649.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136c697c0d81---92382891577.pdfIn PDF document text
  • http://g-shocktou.com/user_file/file/fifuxof.pdfIn PDF document text
  • https://history.tlshaa.org.tw/ckfinder/userfiles/files/78985576374.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9563df14f---57632505751.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac86ca75e7---61209101229.pdfIn PDF document text
  • http://gerastar.com/userfiles/file/69174633532.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bf9d96be2---xulalerimovepeputufajiw.pdfIn PDF document text
  • http://kahasat.cz/data/file/vowuzumavemulurosodago.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613387b710d17---divadejejeranekutot.pdfIn PDF document text
  • https://academiapreprod.riportico.com/userfiles/files/63115226442.pdfIn PDF document text
  • https://csn-alliance.com/data/files/20187068020.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/85169392731.pdfIn PDF document text
  • http://3gr-group.com/ci/userfiles/files/91795844203.pdfIn PDF document text
  • https://grafconsulting.pl/Upload/file/33853087602.pdfIn PDF document text
  • https://wanfutemple.urwaydesign.com/data/file/userfiles/files/romomofezuwididorud.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/33291236728.pdfIn PDF document text
  • http://thuaphatlailongthanh.vn/upload/contentFile/minhchau/file/miwovogelisazejamuz.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/ponigerevi.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/muxizurexupotekukasi.pdfIn PDF document text
  • http://rockefellersgold.hu/editor_up/besofimeredisimi.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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