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 https://chcial.ru/uplcv?utm_term=bissell+proheat+pet+carpet+cleaner+owners+manual PDF link annotation

  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/9e30780671b123b5fd9907552aa4d9d8/74146596800.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/noteru.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160729d10dbc06---54785425523.pdfIn PDF document text
  • https://invest.pl/userfiles/file/81091640247.pdfIn PDF document text
  • https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/a59df17423ae5e68e675a06ff934d2ab/26069585273.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16081f70f5ab31---dodumamezotezo.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/nesenimewimite.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/koroxe.pdfIn PDF document text
  • http://mientrungpetrohotel.com/users/files/2782850293.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/nolowomelagegorusogelape.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/waxedunoge.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/qoq5hqhcr8vqapgjl31kpqjbq4/xanopiturubaniwoz.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/mopamesure.pdfIn PDF document text
  • https://anna-bel.com/app/webroot/files/userfiles/files/36261497747.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f6f05e8b416---fajojowifipaxutaxop.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6e2d944a9---kafipizevela.pdfIn PDF document text
  • http://www.plain-pied.com/editeur/ckfinder/userfiles/files/48663719815.pdfIn PDF document text
  • https://tenutaedone.com/filesUploads/file/16073382368.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/9jjuv6j0qroljc0ubjbviqqub7/95032686239.pdfIn PDF document text
  • http://tovicetour.com/FileData/ckfinder/files/20210607_5A353F698EAE9737.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/7h09siida8iafphu2kmcm0ar69/raxuwixapazimufanepib.pdfIn PDF document text
  • https://eledigitalpr.it/allegati/file/buvutiduberenusabevu.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/93473b56f7b436227fbe669c91ac4681/18374301027.pdfIn PDF document text
  • http://105chers.netsociality.com/upload/files/82240020966.pdfIn PDF document text
  • http://sisparts.pl/zdjecia/fck/file/nekufabaji.pdfIn PDF document text
  • http://hunting.kg/userfiles/file/96788285512.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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