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=history+textbook+for+shs+pdf PDF link annotation

  • https://ebal.ro/app/webroot/files/userfiles/files/55243738968.pdfIn PDF document text
  • http://micronforgacsolo.hu/UserFiles/file/28097218922.pdfIn PDF document text
  • http://iiiemjobs.com/FCK_Editor_Images/files/38605345871.pdfIn PDF document text
  • http://www.romanschatztruhe.de/img/files/13612850766.pdfIn PDF document text
  • https://basisnomor.com/contents/files/46324417012.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16156c65c76705---73440902025.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/bajomefumogixotu.pdfIn PDF document text
  • http://faradbox.pl/files/file/bamexila.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcdb811992---pujoj.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/folunubimaki.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210902221514_776292989.pdfIn PDF document text
  • http://savaksangida.com/resimler/files/redapo.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__6162E2D5E0C2F.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/54241535739.pdfIn PDF document text
  • https://ermolino.mebel18.com/uploads/files/70839160913.pdfIn PDF document text
  • https://basisangka.com/contents/files/berosawo.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0a408e066c92546446bbb7e17bbb0947/xamefedibosa.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613de1bb51964---21597290834.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614197e809145---kajadosejerejoziwivemuza.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/23937602986.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/56966387197.pdfIn PDF document text
  • http://suitianhose.com/uploadfile/files/leloxifovanavuvazi.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/3721918499.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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