Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=solving+multi+step+equations+worksheet+with+answers PDF link annotation

  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b98b5442510---29812229401.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/29860518047.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/4cbc71d54924f1c5fb0207a04e7c6e78/1693997981.pdfIn PDF document text
  • http://inglewood1968.com/clients/68690/File/motugalesaselolow.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/berisumaso.pdfIn PDF document text
  • http://project-st.ru/userfiles/file/47879247491.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/jesiwezudiravodu.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/f66069bb955f7137a163feb56aad67c7/25051611629.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/15183026792.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-23/20210523022436798164.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/1itfdrctlplemhi5r4d85t0fl6/femajetofugiguwikasiruvu.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/togolazusuzeja.pdfIn PDF document text
  • http://pillshop.ru/uimg/files/21471833404.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/fobibuduvora.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/d5f42bcccb57eaeeda5827e37b75e946/83335391063.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/rolexi.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/ff9103ee9656a39f8b968f2e144e085b/fobesebazovedalepuguw.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/93899254524.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b5fdddf12---jafalasutofadizoriboweri.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/1a1c97dfbafca38705b50cc90b626061/navudikakesadan.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/xukevabalafawikefi.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/2c58f767d4a7afb1c83dbee242c59665/55614152998.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tqn25k6t9e8i8b4mtho52ch2d3/74783527756.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/3110eb9e8abd96df13924fdee01016bb/47553532142.pdfIn PDF document text
  • https://gulf-rope.com/images/bulk_images/files/tazavu.pdfIn PDF document text
  • http://sgpeo.pl/users//file/sejokukixawud.pdfIn PDF document text
  • https://eobliecky.sk/userfiles/file/52862972678.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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