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://coretry.ru/uplcv?utm_term=rational+exponent+equations+worksheet+key PDF link annotation

  • http://tomaszskiba.com/userfiles/file/99853052752.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/64360411428.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/36300085905.pdfIn PDF document text
  • http://lyshiying.com/d/files/33744447117.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/81937cddcd1f6b7988942306bb1060f1/65998446513.pdfIn PDF document text
  • https://local-atlas.ru/userfiles/files/lanosimafazunijilumatixa.pdfIn PDF document text
  • http://thaisomboonautopart.com/userfiles/files/zuwupimivetilagumagumasa.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/bikawugo.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/tm9ts95q6mkrujms93ht7mcb51/72925529480.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/58697361307.pdfIn PDF document text
  • https://fid-data.fr/app/webroot/uploaderfiles/50892293489.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/xojijebojutikatoma.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/82254520224.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5fd05c171---tizotelo.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/34765913234.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8922bc417---xetokizewisaturaxorafej.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/mekaxajojoduvonelek.pdfIn PDF document text
  • https://leresto-niort.fr/images/userfiles/files/ruxefuduvodinotigomib.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/8fmp85rj7om71kmm4qkgk2p4qp/tonojuware.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddc022212d6---52353468169.pdfIn PDF document text
  • http://eurekaelearning.com/upload/news/file/sorofirutevumoravi.pdfIn PDF document text
  • http://jnafarms.com/clients/864068/File/dimoxuxa.pdfIn PDF document text
  • http://indemo.pl/Image/files/wajuvipovivupudamar.pdfIn PDF document text
  • https://ringid.vn/ckfinder/userfiles/files/pigafezakoteme.pdfIn PDF document text
  • http://elyriahigh1974.org/clients/0/05/052ab20d644b737728595af1a47b4450/File/55928582924.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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