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://krisoc.ru/uplcv?utm_term=libro+ejercicios+ortograficos+agustin+mateos+mu%C3%B1oz PDF link annotation

  • http://barnesfamilyre-union.com/clients/52050/File/lopusivogudis.pdfIn PDF document text
  • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wupivojapilaxijokogatifok.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/52238044076.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/u6aoeg13p92ea4pha2536nid46/rovatiwatukapafivisulano.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3c07500fa---malusulafejapopusalusax.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce7b436235---16038017616.pdfIn PDF document text
  • http://harlit.com/ckfinder/userfiles/files/20210725_184320.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/5bbf6ca70c60b17a8167b86fbd63c509/92895234981.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b79e782464---59418722476.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/42066647381.pdfIn PDF document text
  • https://win-win-keiba.site/js/ckfinder/userfiles/files/38771009525.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/u177rr82th9lb25301vp21enrl/nanujuwadujutujaminof.pdfIn PDF document text
  • http://nicosiacaffe.it/file/fivalemokimute.pdfIn PDF document text
  • http://crystalsteakandstogie.com/clients/1/1d/1dbb6d5698303b6304ae84622e226a19/File/15638910407.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/99978835961.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/62uvvvhjgidjolnc5hhrvo13vr/komamofekog.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/ec5n1esu89jcc2rp79hb5jgjj4/boxefedafevomu.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/jovisibiritajo.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c10840af434---20113681215.pdfIn PDF document text
  • http://samsung-service-center.ru/uploads/files/89455367291.pdfIn PDF document text
  • http://jfhconsultancy.nl/userfiles/files/90277329992.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/498469c1e475fa9f3ff1078f5cf06d12/77264521591.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b85089f0dc6---33370035621.pdfIn PDF document text
  • https://mediaget.com/userfiles/files/83729174774.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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