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://nomylo.ru/uplcv?utm_term=best+kernel+manager+for+android PDF link annotation

  • http://tornyanggrace.com/upload/file/xaziwexuxi.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/68303618608.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/87571768283.pdfIn PDF document text
  • https://mongolia-volkslift.com/uploads/files/tofez.pdfIn PDF document text
  • http://spartaksedlec.cz/spartaksedlec/userfiles/file/65197752126.pdfIn PDF document text
  • http://1qjd.com/upload/files/2021-09-15-20-03-17-4cvU8XPD.pdfIn PDF document text
  • http://distant-property.ru/fck_editor_files/files/jupak.pdfIn PDF document text
  • http://chinhlytailieuluutru.com/media/ftp/file/40907524319.pdfIn PDF document text
  • http://lamgi.pl/ckfinder/userfiles/files/didimigabulusis.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/kosab.pdfIn PDF document text
  • http://byecook.com/ckupload/files/34581642406.pdfIn PDF document text
  • http://webs123.com/userfiles/file/44110882950.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/6m8ajp0tubauvvjol0vdr5qooh/26841165961.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2080a8846---89834708854.pdfIn PDF document text
  • http://rigassprotes.lv/uploadz/file/sepobow.pdfIn PDF document text
  • http://serbanindustrialconstruct.ro/uploads/files/wipufabudafawakalo.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/f451166a7c00ce4befc4eea9b8555943/tidufagavagewilawaso.pdfIn PDF document text
  • https://akproauto.net/nbloom/fckuploads/file/juwarasiponavokavames.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/mapegapisifozukewomobef.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/66174885816.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/a5ef6da7381ae57ae437cae22c9812df/59838655293.pdfIn PDF document text
  • http://phamtrangia.com/upload/files/95983594676.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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