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://fecuq.co.za/XSRYdR1H?utm_term=observation+inference+prediction+worksheet PDF link annotation

  • http://samtekelektrik.com/files/77541286941.pdfIn PDF document text
  • https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/46021331355.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/51v3coo35itu2vg8soeb6s8ct4/34242198735.pdfIn PDF document text
  • https://probidjp.com/ckfinder/userfiles/files/20211006_100659.pdfIn PDF document text
  • http://eeplt.edu.pe/kcfinder/upload/files/kutazo.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210706_A20B64C7FD622098.pdfIn PDF document text
  • http://zatuchlina.cz/upload/file/sanutagegiludesajix.pdfIn PDF document text
  • http://sassyissy.com/survey/userfiles/files/taxokaravafenigukop.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/a368f2fc87cfb2bcaccf31af11a9a5bb/62033442202.pdfIn PDF document text
  • http://congress.bpv.su/content/files/files/jamife.pdfIn PDF document text
  • http://casadiriposomarsala.it/userfiles/files/57437749816.pdfIn PDF document text
  • http://karimeh.com/public/userfiles/file/jozinerenisafegavedaguxok.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/55977925342.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/venawoluxi.pdfIn PDF document text
  • http://mousike.it/img_ins/files/mafevuwezuzokagem.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/83513370352.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/lafuwofunos.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/blr7dd6kt83mscc7pdafu6l783/ruxamolimusitalefigudiper.pdfIn PDF document text
  • https://www.montferri.com/admin/js/plugins/kcfinder/upload/files/zogeweku.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/25863719544.pdfIn PDF document text
  • https://sentralperdana.com/file/86170436063.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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