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://crewmak.ru/uplcv?utm_term=to+be+indicted PDF link annotation

  • http://truhlarstvisollner.cz/data/file/45182353512.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/11633322562.pdfIn PDF document text
  • http://clingac.es/d/files/1794905347.pdfIn PDF document text
  • http://goldenmallbiotech.com/upload/files/88385281039.pdfIn PDF document text
  • http://snailgame.ru/upload/files/20210921145623.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210925082212.pdfIn PDF document text
  • http://be-now.pl/userfiles/file/mokulefugosiperetudetemeb.pdfIn PDF document text
  • http://abwcolley.com/uploads/files/xugebolodoxemejudiva.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f92dc245fa---43548041024.pdfIn PDF document text
  • http://przyrodnik-kujawy.eu/userfiles/file/gubudebapufefepijogi.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/86521924199.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1615999b018a87---runufor.pdfIn PDF document text
  • http://kronikarp.pl/ckfinder/userfiles/files/69282986331.pdfIn PDF document text
  • http://kramor.bg/userfiles/file/kizuvuvifimibesuziwe.pdfIn PDF document text
  • https://sambelteri.com/contents/files/lakokusijefelexosaxa.pdfIn PDF document text
  • https://goacetours.com/ckfinder/userfiles/files/lumole.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614972aaeeb17---dedazelekotiz.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316bc9818ba---bibibeveweveb.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/97594712654.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/tedipenemepoki.pdfIn PDF document text
  • https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/25142689723.pdfIn PDF document text
  • http://yuha.be/_files/file/jixewobexifak.pdfIn PDF document text
  • http://bekescsaba.varosom.hu/userfiles/files/23047907765.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/70s1l7q0eg66hg8t5m6bhurejk/digele.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/darekefo.pdfIn PDF document text
  • https://easyown.ddproperty.com/datas/files/xewuwepezet.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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