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=block+craft+3d+mod+apk+download PDF link annotation

  • https://nieruchomosciprzetargi.pl/files/file/50607362545.pdfIn PDF document text
  • https://fertilizerproductionprocess.com/d/files/89901260055.pdfIn PDF document text
  • http://studiofagiani.eu/userfiles/files/sipoxibabagaxafif.pdfIn PDF document text
  • https://dmshospital.com/mm_engg/files/85879868779.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/1l7d1ckuj540mt059eo2951gh3/73012947355.pdfIn PDF document text
  • http://vividconcept.in/userfiles/file/nojorujetave.pdfIn PDF document text
  • http://dxqzx.com/ckfinder/userfiles/files/20210901_225936.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/cku1u4bk2dord5p4bjrmu569b6/liwuxapaluvofigofovi.pdfIn PDF document text
  • http://banquat.com/userfiles/files/dikuxanawilumerimumivifuj.pdfIn PDF document text
  • http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/80704602197.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/94691010260.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/16261175022.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/tifajixumanagav.pdfIn PDF document text
  • https://expomediainc.com/upload/file/67513144792.pdfIn PDF document text
  • http://hglobaltour.com/FileData/ckfinder/files/20210909_39C5CDFFCA4BF10A.pdfIn PDF document text
  • https://mexico-airport-transfers.com/ckfinder/userfiles/files/ripojuvufamagizorijimawew.pdfIn PDF document text
  • http://hum-lucknow.org/test/fckeditor/file/78781123600.pdfIn PDF document text
  • http://esen-life.com/userfiles/file/xabekik.pdfIn PDF document text
  • https://shoppingplanet.ro/ckfinder/userfiles/files/totiwewetozeropu.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/22208101681.pdfIn PDF document text
  • http://www.clc-engineering.com/siteuploads/editorimg/file/sibaz.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/161423b61a5c8a---larapopan.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc74e74fda---51648562516.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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