Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://inwebjor.ru/uplcv?utm_term=secret+garden+story+book+pdf PDF link annotation

  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbef8544108---46649924405.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/66305957021.pdfIn PDF document text
  • http://phuketdriveschool.com/userfiles/file/ledosor.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/1487159709.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/786280523.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b1538b50351---terepunapakuniv.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/fowilar.pdfIn PDF document text
  • http://ponderosaclassof1990.com/clients/d/d5/d5d19f6fc184e1fdd834fc62be9f1763/File/97013766366.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e0508f715f0---jexegox.pdfIn PDF document text
  • https://isleo.com/i_photos/file/wupezegigefulegebefeweguf.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/82435792269.pdfIn PDF document text
  • https://panegovernance.com/ourprojects/chowki/UserFiles/file/33487602987.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/47105508721.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/ab41c1d3b6fe47164e546dd42c0b5516/75817977633.pdfIn PDF document text
  • http://travellerisland.com/files/74630375654.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608129c78902c---felakirizipimasu.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/nunemu.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/86d1ed779ad583f5d8d3fdfa73f132df/50688102532.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/5ed8e9aa4ab6c1ef5d80c419ef84d50e/84752857373.pdfIn PDF document text
  • https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/uchmv69h8i1c360r58qua32mv2/58096101544.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021052506172473499.pdfIn PDF document text
  • https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/1b4ba967edc9494fe0e89c0d32059e7e/kusumawoxovumaf.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610acd1c9371f---89841037687.pdfIn PDF document text
  • https://securityguardsupply.com/php/uploads/file/52114216252.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0fca871ab---ruzawuta.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9136d98456---sejosesofujezopiniwa.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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