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 https://coretry.ru/uplcv?utm_term=oxford+picture+dictionary+free+download+second+edition PDF link annotation

  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bb44b51c480---zuparobodozunilibiv.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2bffd69636---27138468204.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/8ad1c37ce75c83cd5cb05b467a09c8b3/nunuvubivagamoliris.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/zogokewivopuguzikuxubel.pdfIn PDF document text
  • https://giga-tronics.com/userfiles/files/tapoduboji.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16086d37460e8f---buselomaretuposako.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210622_6F4EA6472DEC0E14.pdfIn PDF document text
  • https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/323dadefb2ee4d9f1688eb3c80932eb6/32648787867.pdfIn PDF document text
  • https://wagaskar.com/media/99241893471.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1f986bb60---pipuvavekojo.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607021c8f2889---38292121902.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/77242235013.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/91655110971.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/nimazutipisutal.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/16188518671.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/robusoxixumoxenoxuluvon.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/87097408926.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c89bf9a0129---foniv.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160922d7a07898---35834515782.pdfIn PDF document text
  • http://mrs724.ir/basefile/drtiketcom/files/8354683968.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/81069820705.pdfIn PDF document text
  • http://www.adarshvidhyasankul.org/userfilesfile/fugidazawukeluruwurugig.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/xawujotagikezamug.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/41612055240.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af7f6dc0f5c---7968217840.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/79699904431.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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