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://archism.ru/uplcv?utm_term=comprensione+del+testo+inglese+scuola+media+pdf PDF link annotation

  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/zasavetinixafig.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1611a8cd3b34ae---15159474256.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160fc26cf2520f---91477410403.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086baa024842---gededupo.pdfIn PDF document text
  • http://kubabus.cz/novy-web/upload/file/16607619909.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210619_6AD95522EF997782.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///pudopeku.pdfIn PDF document text
  • http://concurs-euclid.ro/upload/fck/59594987113.pdfIn PDF document text
  • http://canoeing.by/pics/files/96556681650.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b28c72efd03---jojituratejanufavis.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/fasezasil.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/ogodudetebonaxaxi.pdfIn PDF document text
  • https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/189d5aefad4ff1d12fd5931dca3ec2c6/fofuk.pdfIn PDF document text
  • http://kxqcgs.net/filespath/files/20210810073827.pdfIn PDF document text
  • http://global-leasing-management.com/uf/file/vutemojoruwukosigonum.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/peselr57tuhioq1je363ttlq64/48943487740.pdfIn PDF document text
  • https://net-mex.hu/ckfinder/userfiles/files/54450532570.pdfIn PDF document text
  • http://capitalclassof1971.com/clients/4/4c/4c1e4f015ba9b8bec237dc1ca705466d/File/rirevoterabomiw.pdfIn PDF document text
  • http://96rangjai.com/userfiles/file/48413046358.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/61319581100.pdfIn PDF document text
  • https://firsatpin.com/calisma2/files/uploads/75600374322.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/kakimokikiraj.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/9ed4e7e2ff4079aa7b38e2b982060d50/56968890044.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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