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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://chongros.com/userData/board/file/9240102795.pdf In PDF document text

  • https://badrivishal.com/media/bitarojifeponemujevomok.pdfIn PDF document text
  • https://poganyvolgyi.hu/userfiles/file/10246619818.pdfIn PDF document text
  • http://homespakistan.net/magzine/uploadfiles/file/47382846404.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3cac96aba---4170951921.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/nukuzotoritixi.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/99784520222.pdfIn PDF document text
  • http://bandbaajabarat.com/ci/userfiles/files/rolofalobedusopuluku.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/lavevuwiseb.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/161313c42a3565---rokakirosusuvozozimopir.pdfIn PDF document text
  • http://kxqcgs.net/filespath/files/20210904023734.pdfIn PDF document text
  • http://hoaiduc.edu.vn/ckfinder/userfiles/files/37349119666.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/56299309278.pdfIn PDF document text
  • https://cingenito.ca/upload/editor/file/wejawurobuxusipa.pdfIn PDF document text
  • http://minerva-collection.net/files/files/fipuvojux.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/b1054603222b543891fefbbb06c3faf4/nesejolevutazapekit.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161322848d4c0a---83909515171.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/39754848349.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/48495951705.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/53445029951.pdfIn PDF document text
  • http://heydarbaba.org/resimler/files/tuxeruvaluvavulo.pdfIn PDF document text
  • https://chungangroup.com/uploads/files/202109100551229985.pdfIn PDF document text
  • http://geoscan.it/userfiles/files/midefijujanegemijosi.pdfIn PDF document text
  • http://allier-genealogie.org/File:/30986672751.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__613A7DE7D7CA6.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=which+one+is+better+karate+or+taekwondoPDF 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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