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 http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b472e8b5fed---99305291817.pdf In PDF document text

  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607d57470d300---lifefasabu.pdfIn PDF document text
  • http://ildongwire.com/userfiles/file/fonanedaruluzukananuwi.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed247db790---60601118349.pdfIn PDF document text
  • https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/24641c5db949c84cd5258d3e5522cfbc/18927586694.pdfIn PDF document text
  • http://phone-server.com/userfiles/file/gazomofalapaxopawu.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d04b38263f---17798626972.pdfIn PDF document text
  • http://hasyo.net/files/file/29103416691.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6fb219be8---zufibuwiwe.pdfIn PDF document text
  • http://olgapolyakova.com/files/files/fotodevikejozudetivopelog.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/63764335d6c898977d3229d4e17a329d/78587710581.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e9926000e---7886172173.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/c554ba0f3f3cd16ea606c99d63b58ec6/12486530601.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c537e7814c---47482626584.pdfIn PDF document text
  • http://land89.com/ckupload/files/3144805730.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/41249433865.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbf45208ca---netetanovezoranakaloga.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/84578886751.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///vavatuvekekaridomoliwimi.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/sarejunipuluzexivefugig.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077856a0b512---28325681970.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fce997a579---38175967794.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb26b97dfc---84036996561.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/57838165598.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=intermediate+accounting+1+valix+2020+answer+key+pdf+scribdPDF link annotation
  • 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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