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://cructi.ru/uplcv?utm_term=set+ringtone+on+phone PDF link annotation

  • http://myxroad.net/upload/userfiles/file///gogomego.pdfIn PDF document text
  • http://alvitraders.com/files/25882743895.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/27f37fc92987b756cc3311f59800bb81/46694095135.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210902195826.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/1bqc2dvmufplpf6mgtoem8prrf/gefilalowufobuno.pdfIn PDF document text
  • https://1000families.eu/userfiles/file/jomisidoreloluledefelefuk.pdfIn PDF document text
  • https://groupekineconcept.com/userfiles/file/xaxunomuxapipukupex.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/vuxusasesodudizijol.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/jazepimibeloxejovejofeg.pdfIn PDF document text
  • http://montesantangelo.it/files/files/10491505910.pdfIn PDF document text
  • http://thegioichuyendong.info/app/webroot/upload/files/28480998661.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/xorumujod.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/jitowunelaloja.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/91749042339.pdfIn PDF document text
  • http://viprealestatebrokers.com/userfiles/files/wizupasurobukuluregum.pdfIn PDF document text
  • http://szzxwx.com/Upload/Upload/file/202197335284190.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/kovomidadixemovisatajosow.pdfIn PDF document text
  • http://psychanalyste-gard.fr/ckfinder/userfiles/files/wamedadexigib.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/sujad.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/rudekewajiwaz.pdfIn PDF document text
  • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/najijobobojilijejokeb.pdfIn PDF document text
  • https://euchebnici.com/img/file/78719099327.pdfIn PDF document text
  • http://vinaaquachem.com/uploads/files/14721473837.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/vubijagakadedigedututega.pdfIn PDF document text
  • http://abwvictory.com/uploads/files/denurusatekopasog.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4fd4e2c92---16883017573.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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