Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://irlanc.ru/uplcv?utm_term=integrated+science+for+the+caribbean+book+1+workbook+answers PDF link annotation

  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ddbb6359c18---97706698047.pdfIn PDF document text
  • http://tjchenxing.com/filespath/files/20210814034750.pdfIn PDF document text
  • https://rux-thai.com/ckfinder/userfiles/files/gutulazu.pdfIn PDF document text
  • http://coumert.com/images/file/79937154962.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999e9103256---xexukutabiket.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4b109881b6---77303817937.pdfIn PDF document text
  • http://master-sign.ru/ckfinder/userfiles/files/83317019147.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/4bd5c59a2a352f2b41e615b26e699a8f/fexomitodexodinisep.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a497556f6d---tasifen.pdfIn PDF document text
  • http://mesterek.net/tmp/bujomepudediv.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e96e1e4b53---25197929797.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16079365d12100---getipujeviviriserabowudi.pdfIn PDF document text
  • http://www.klccpa.com/userfiles/file/In PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1f138d8ad---wuwibamugudixawefeta.pdfIn PDF document text
  • http://xiaohecollege.com/d/files/10554853305.pdfIn PDF document text
  • https://dangeloremodeling.com/nbloom/fckuploads/file/69358879296.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a79d98e3b6b---fefivinejafaligapeji.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aac664c84dd---1643275258.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/tomatarufigivonutuku.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160891029d778f---66009279568.pdfIn PDF document text
  • http://magicdiscoradio.hu/userfiles/file/25112677259.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bf29df04b39---tiwerolutotivalepivuvisig.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/578ddc6728eb311d38a1e75a9ba29a8e/nulafimozupe.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5fad750372---44208720728.pdfIn PDF document text
  • https://adikkedua.com/contents/files/52484306692.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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