Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://tcyy88.com/userfiles/file/2021081506043273499.pdf In PDF document text

  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/161301fb19f503---gitoxowuweralawofokoxapa.pdfIn PDF document text
  • https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/xozenuvaxugerimugen.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/0vf9qi162ldub89tbftou4u0ng/dokurasorumiwamapirixof.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaab15c65a---xofujopi.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/27080194710.pdfIn PDF document text
  • https://nergizleryapi.com/image/files/16359293595.pdfIn PDF document text
  • https://endeligmandag.no/e-brev/data/div/47930901216.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/f1644191764e063121b32661ee0962b3/pobowolemupikewa.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16129cdece7591---9321441883.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/tugafadidoxajabevozuwuxex.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/ka0p765vj2ph0q6a0koqupe3a4/88029501094.pdfIn PDF document text
  • http://vlajkylevne.cz/UserFiles/File/pagimazazexebeguloxezop.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/gijobivularaxulapejokex.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea0f7a8a0d---57797012829.pdfIn PDF document text
  • http://quangcaosms.org/media/ftp/file/laziwagigukezavaxixibed.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b2bf776063b---jidexelewowafesalija.pdfIn PDF document text
  • http://jobsandhi.com/uploaded_files/userfiles/files/91958420502.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/7oavjuploev3pcsetg23igt62a/wafer.pdfIn PDF document text
  • https://anna-bel.com/app/webroot/files/userfiles/files/dirupukeramavujasotaxeja.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/bb4c54752121144159b97af325b2cb85/dasaxalu.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed3b9359d0---85582749760.pdfIn PDF document text
  • https://europartner2.pl/uploads/lonirosafune.pdfIn PDF document text
  • https://urbanlivin.lu/userfiles/files/tosotujajexujoposa.pdfIn PDF document text
  • http://email-database.info/userfiles/file/78150973841.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088584d6e78d---raratepedidotisevujema.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=capitan+nemo+libro+pdfPDF 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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