Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://infrive.ru/uplcv?utm_term=salt+and+chilli+chips PDF link annotation

  • http://magicfood-cn.com/files/20210623124411.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/fb0bf2ec298484546b39b3438688bbfd/80048226310.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/depiw.pdfIn PDF document text
  • https://hchoanglong.vn/userfiles/file/nojasulinifodavejaxaje.pdfIn PDF document text
  • https://limsurdua.com/contents//files/ponejubukibifa.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/64883777402.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/olif7ficoopdlvn3fun0bqr1go/76041523096.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609350a8ad645---70704504241.pdfIn PDF document text
  • http://heldermusic.nl/ckfinder/userfiles/files/jisofamaluti.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b48fb9f65---vejipiwudurafa.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd0d293cdb---5221055565.pdfIn PDF document text
  • http://moto-bike.pl/userfiles/file/24439953569.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/6caff9019a370064b35dc29f88e3d31b/36455386807.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f499e6a92---vopobigogefodem.pdfIn PDF document text
  • http://ghalemdi.com/userfiles/file/fetalamuzet.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/1f2cfba510d69cf9e0c78aa615e172ab/27157151217.pdfIn PDF document text
  • https://newtech-utm.pl/userfiles/file/7635044288.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/6477bb4793c3ed23c7111c3ad4093406/kijinefu.pdfIn PDF document text
  • http://school19-zav.ru/userfiles/file/36058361774.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/209513f5c90ef3ec4b1142e2e575186e/bevotaxutol.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e183c4db1f1---22407469061.pdfIn PDF document text
  • http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/3934177113.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160da1f73b31fe---47132508789.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/biwekaburebajekatodajodem.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/rugepevemukogag.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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