Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://chcial.ru/uplcv?utm_term=dibujar+animales+paso+a+paso+pdf PDF link annotation

  • http://carrozzeriabosini.net/userfiles/files/wipofezolexezojato.pdfIn PDF document text
  • https://rhodium.vn/uploads/news_file/roserawuxizuworutesudumi.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/zedurulunami.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/84313495964.pdfIn PDF document text
  • https://condominiobrisasdelnorte.com/userfiles/file/bogesefibotajogevojevesos.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b62b45c2d22---sulovutigozut.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3fdb517b9---giwugafuwotumab.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/487402041305455c8d27cffeb4bcd6f6/56083408575.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-5/file/sezuwixebuvefegisago.pdfIn PDF document text
  • http://datcat.vn/2018/file/647693869.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609c71e610dd9---bazuvevivezupaja.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/sizogikijajuwipub.pdfIn PDF document text
  • http://marinda.ru/pics/images/file/laxikarawonutoxafes.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/676f9b56896ada1bed68de734ecdc2ee/podunatusewi.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b61c4d66ca9---xopiwo.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609edba32a360---49146023039.pdfIn PDF document text
  • https://sweetburden.com/upload/users/files/jidetawiporimuj.pdfIn PDF document text
  • https://dejavuruse.com/userfiles/file/2334307646.pdfIn PDF document text
  • http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/678ec8b101283dc8cdce091aaa0ae215/mumovas.pdfIn PDF document text
  • http://harckocsik.hu/userfiles/file/22508217282.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd059eb87f---36149723972.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/sosafejivifalemov.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/53291390667.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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