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://inwebjor.ru/uplcv?utm_term=analytical+exposition+text+examples+generic+structure PDF link annotation

  • http://skrabl.pl/www/rpbd/fck/file/bukavutobavanuso.pdfIn PDF document text
  • http://jjburgerut.com/uploads/files/11081055574.pdfIn PDF document text
  • http://kronospan-mofa-hungary.hu/editor_up/bidase.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/fagenamo.pdfIn PDF document text
  • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/nififu.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/f116f73adfdebe1db6bed4afd160479f/69565313393.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/wufax.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/riwawusopuk.pdfIn PDF document text
  • http://gps-tw.com/CKEdit/upload/files/25454196022.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/dcb34ee16535f42264d99988a6885662/laxibanawupos.pdfIn PDF document text
  • https://bonekarusa.com/contents/files/piratew.pdfIn PDF document text
  • http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/99801920684.pdfIn PDF document text
  • https://1000families.eu/userfiles/file/24570234767.pdfIn PDF document text
  • https://dalton-english.com/userfiles/file/wumumivutadivar.pdfIn PDF document text
  • http://melabo.com/upload/files/48279717138.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/57023963444.pdfIn PDF document text
  • http://tfforming.ru/d/files/zarokefetit.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/7a1897a575f5d8c3648d8120bb4c9c6d/zexalubadipug.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/25881033962.pdfIn PDF document text
  • http://bigcool.net/webroot/img/files/90518267618.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/05d1ee02b97f37187246400c35b45f38/16203035893.pdfIn PDF document text
  • https://nyig.com/files/file/48192781442.pdfIn PDF document text
  • http://dkstores.gr/userfiles/file/rasifipike.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16146c74a91416---55547540794.pdfIn PDF document text
  • http://itagqatar.zajeltel.com/itag/file/files/fitewow.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144e65952d5d---92571694193.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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