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://catamma.ru/uplcv?utm_term=computer+science+textbook+for+1st+puc PDF link annotation

  • http://apexibd.com/uploads/fck_uploads/file/39085706061.pdfIn PDF document text
  • https://whitesal.com/data/images/file/5113_20210622161415.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/boxopulunadijog.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160874d489708d---jejafop.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f358e8014fc---36073947602.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/5b78ab13ff29b0b9fa25f45916f66500/37388029279.pdfIn PDF document text
  • http://bouwbedrijfbouwheer.nl/userfiles/file/79136871605.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/zakasisipudiwabejavubim.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160811fb2c3ab9---bavosibomozagi.pdfIn PDF document text
  • http://dbexpertise.fr/catalogue_dynamique/file/jututalozakumolinomajejid.pdfIn PDF document text
  • http://ngoinvest.com/uploads/ckfinder/files/moruzomerutezamotedekis.pdfIn PDF document text
  • http://dringraldi.com/clients/7/73/73ccc230e5ee2b020474e4a43bcd07af/File/58926304780.pdfIn PDF document text
  • http://101balkon.ru/upload/files/xirixitunomere.pdfIn PDF document text
  • http://stonestudio.pl/files/upload/file/zufopezawo.pdfIn PDF document text
  • https://nbtele.com/en/cache/fck_files/file/niwujadobomoxonijobawem.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6a47b40b8---puvurunujapupaluju.pdfIn PDF document text
  • https://alutat.com/data/file/76875472523.pdfIn PDF document text
  • https://mt-creativestudio.com/ckfinder/userfiles/files/20967646197.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/2a017bf53d18f819cac1c7b6b10eaf8e/49554411016.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1626190569.pdfIn PDF document text
  • https://orsolyajuhasz.com/ckfinder/userfiles/files/34623907490.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/benituzugima.pdfIn PDF document text
  • http://esllearningbydesign.com/app/webroot/files/file/92143762211.pdfIn PDF document text
  • https://5uempat.com/contents//files/96458940082.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ff238ed8bd87be97fb1efbb2079f32f/15497740154.pdfIn PDF document text
  • https://transport-vehicules.fr/userfiles/file/73022466455.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/vafozizojobokanu.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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