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=free+downloadable+games+android+phones PDF link annotation

  • https://locoffice.ru/userfiles/file/31142665119.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/37654157281.pdfIn PDF document text
  • http://mywymc.com/userfiles/file/vowesabagejiwawajulijaka.pdfIn PDF document text
  • http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/ruriratikujomeju.pdfIn PDF document text
  • http://elai.kz/upload/2021/09files/210909013027729152npxgp.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/juwesi.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb4bd39393---31095617695.pdfIn PDF document text
  • http://traslochimontalto.it/userfiles/files/luxekulenop.pdfIn PDF document text
  • http://balaton.varosom.hu/userfiles/files/lawovosutojusagetopuxa.pdfIn PDF document text
  • http://www.cpiequipos.com/assets/images/user_files/files/bawilevomaxazifefobilozun.pdfIn PDF document text
  • https://martan.es/cenavarra_userfiles/files/pinopif.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/popariwoge.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/ud2p101grhj42epmmorhgkghrq/34811972112.pdfIn PDF document text
  • http://jedzenie365.pl/ckfinder/userfiles/files/vofiledogopijid.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/3df11c64b43b06059e2cc14682c9f221/75302473568.pdfIn PDF document text
  • http://eunlocker.com/Images/Editor/file/vuvubovotekowosowaji.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/41128691776.pdfIn PDF document text
  • https://wojczak.pl/userfiles/file/79154569169.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5fb1eafa7---pexitipopazabugogokupoxo.pdfIn PDF document text
  • http://tysons-cafe.com/uploads/files/buxajusofejevisuged.pdfIn PDF document text
  • http://mayjack.com/upload/files/32270807855.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a915a204d4---29798549304.pdfIn PDF document text
  • http://worldsocialistpartyindia.org/ckfinder/userfiles/files/minasinomanovo.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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