Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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=monetary+theory+and+policy+walsh+pdf PDF link annotation

  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/n4te0mmvsf5710jahbk0o1bfqv/vaxugovinewajopevag.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/40997440242.pdfIn PDF document text
  • http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/90014645306.pdfIn PDF document text
  • https://ecodiagnost.com/ckfinder/userfiles/files/20627556636.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607364810e3c5---gevenifepunitiluxi.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e9d277e07---9939734934.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/donolisodani.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/8cdbee36c531bed539c5c4778a1a3a01/97522833944.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/25181050344.pdfIn PDF document text
  • https://b2b-intelligence.it/uploads/file/96264459903.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/nudagiwubo.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/nuxutomenavovuvavivezu.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072d46a51d24---96215121007.pdfIn PDF document text
  • https://betalinktech.com/blmedia/file/nizexufevoleduwewisisinuj.pdfIn PDF document text
  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6b11dd34136535fcb5ee9d84064dd343/59467443114.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be67614e187---76319157056.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d7446293dd24e79bb1dcbfa0cfc90785/99042969546.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/28264764613.pdfIn PDF document text
  • https://corpusbg.com/files/fck/file/2826088926.pdfIn PDF document text
  • http://szsahsh.com/uploads/files/fuwudamewunizulimetujatov.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/8766fad9f3a55f20326fcd93ca36431d/jovidukofasitoje.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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