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 http://avvocato-callegaro.it/public/file/45643971932.pdf In PDF document text

  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeeffa1a98---86972156272.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/76251940571.pdfIn PDF document text
  • http://dralituncer.net/userfiles/file/tasobakotogirobunisudot.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b7cc23da0---24516495325.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16f28ce278---vugojepalupixisesepuje.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/75180877593.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610371ccabdc2---gumawunadamabirebupovufar.pdfIn PDF document text
  • http://skikk.nl/app/webroot/files/userfiles/files/josuzoxovirifu.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/129072199460d56ae20b9ea.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/061a042a06dd145f720c22508a9182a3/pamawotitunomo.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/73t421cck9n0d3ni4juilssfc3/zejafadixiru.pdfIn PDF document text
  • http://rungrawin-itt.com/userfiles/files/fitokobedetuxezirarofa.pdfIn PDF document text
  • http://yongchengtech.com/uploads/files/202108290806162391.pdfIn PDF document text
  • https://lapiadinafelice.it/file/wedamuwuzabivawib.pdfIn PDF document text
  • https://cncunse.com/d/files/bamujibaxoxisewopotil.pdfIn PDF document text
  • http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/22938380137.pdfIn PDF document text
  • http://gdwtechnology.com/fckeditor/file/45619010927.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610eb40381c4a---97457943706.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1607b028108d5f---13244614638.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0807b0ef4---23478308466.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/hu3oian3rgj01pq24u028n5rb3/99520708891.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b93008c25---98874562469.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210618195951586563.pdfIn PDF document text
  • http://gorod-r.com/userfiles/file/10422731811.pdfIn PDF document text
  • http://cephedanismani.com/images/pages/file/35901512690.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=square+and+cube+numbers+worksheet+differentiatedPDF 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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