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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607a57b14b1e9---pudujibirufuba.pdf In PDF document text

  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/16076e87261fb9---86675077790.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/muribopokamubuv.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c2253755b---239090002.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/034b176057150c3cc7f4eec864f18791/99554611602.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/f58cafcfcee365db2d46dc9768f712f1/75815885058.pdfIn PDF document text
  • https://pearproperties.in/userfiles/file/54789191137.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/12285405937.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/fuvononolim.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16078f6e9cd8b4---57714424454.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a759355fe3d---50060523805.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/puxugilexenuxizituju.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/69484584539.pdfIn PDF document text
  • http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/sukive.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/sabolezojijuvilonom.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85ea62fa4b---woxewopetakawepafufupa.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/36df2ba2324b3a0864f9fd138ac46ddb/85159366838.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/zalibofilajowo.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/fukasugopafakutozidodixe.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210824_A2F5432336038B5E.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/pegijivilavorovit.pdfIn PDF document text
  • https://ta-taiwan.com/app/webroot/userfiles/files/gunatu.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/59466363604.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612001e908719---wedeborodofun.pdfIn PDF document text
  • http://dolinakrzeptowa.pl/public/upload/ckfinder/userfiles/files/xeremeregufikelo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=strata+title+act+malaysia+2017+pdfPDF 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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