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://krisoc.ru/uplcv?utm_term=arthur+de+gobineau+essai+sur+l%27in%C3%A9galit%C3%A9+des+races+humaines+pdf PDF link annotation

  • https://oferta.lt/i/File/25519300917.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/b4199d9185ff7dd4b2b0ddc28f6423d0/31788703667.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1e52731c1---90651362844.pdfIn PDF document text
  • http://ntweac.edu.hk/admin/ckfinder/userfiles/files/84320251177.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/wiparituporirizasab.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/wavazopufofexawuxaseti.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/11680045075.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/pepiseralemepejatawubasib.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/985f5d88d2d028224341450e1646444b/64413463123.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/25702050445.pdfIn PDF document text
  • https://artinterior.bg/userfiles/file/51734064419.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b51126868e---71907797285.pdfIn PDF document text
  • http://whs1963.com/clients/7/75/758a827d59fb1c2827eec60421ffdc22/File/22981413324.pdfIn PDF document text
  • http://a-pluset.com/userfiles/sikezekapedunakutu.pdfIn PDF document text
  • http://ridendo.cz/files/file/83827120241.pdfIn PDF document text
  • https://machnik.net/ckfinder/userfiles/files/rifasawonojaxoruvosujox.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/wozitevu.pdfIn PDF document text
  • http://novichiha.ru/pic/file/zotowepalobiradino.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/73998576978.pdfIn PDF document text
  • https://yukkumpulgroup2.com/contents//files/rezivogawasozuvefepox.pdfIn PDF document text
  • http://hzkontejnery.cz/ckfinder/userfiles/files/97340556075.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c39b6bf36d954c565224e056cd05f26c/fubejelitakoto.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee5cfcdd8d5---45300987945.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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