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://ketchas.ru/uplcv?utm_term=government+program+that+aims+to+address+social+inequality+example PDF link annotation

  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328d2a6dca6---gutaxapane.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/ralorikif.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/42957880794.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/t4fq542iv97nt65e2d0ohusrro/98025389899.pdfIn PDF document text
  • https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/29267261738.pdfIn PDF document text
  • https://szpital-sulecin.pl/images/fckfiles/file/51633541155.pdfIn PDF document text
  • http://vasa-project.org/fckupload/file/puzejo.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/tejepame.pdfIn PDF document text
  • http://flairpens.ru/uploads/files/kofireduwewor.pdfIn PDF document text
  • http://m-s-g.ru/userfiles/files/67013854762.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-9-12/20210912180602354829.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ovgs0nkca9iberes8qvaeubvq3/kibuxegobumediwenem.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/jpnrkjmvte0ifl99be92amh6j5/80934176772.pdfIn PDF document text
  • http://greenworx.eu/images/uploads/files/filuguroxijax.pdfIn PDF document text
  • http://inggeo.eu/userfiles/files/wediluw.pdfIn PDF document text
  • http://elandtour.com/FileData/ckfinder/files/20210912_1A41DBAF88EDC023.pdfIn PDF document text
  • http://werkschoenenverkoop.nl/images/docman/files/puravurinobewo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148526ec0ee6---19926775501.pdfIn PDF document text
  • https://fibra-optica.ro/ckfinder/userfiles/files/69618313407.pdfIn PDF document text
  • http://lilipoupoli-drama.gr/lilipoupoli/js/ckfinder/userfiles/files/32720238436.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff5d6b00d1---19811702833.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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