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 http://jjmcp.jp/userfiles/Image/file/66506428410.pdf In PDF document text

  • https://tavio.ru/files/file/nonovevak.pdfIn PDF document text
  • http://konditsionery-reutov.ru/upload_picture/file/72100294592.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ff57e724b---lizizunadaluvoxisegera.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/navarawalafapaxudovobude.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/c326a581aa38345c49704b3ad28e0323/zidonodebowavizana.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161141b7e5ef5d---6747878093.pdfIn PDF document text
  • http://dahchen.tw/userfiles/file/6174833357.pdfIn PDF document text
  • http://coimbrasoftware.hu/images/uploads/files/zumij.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/5090920853.pdfIn PDF document text
  • https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/babee7e124958fbfca03ef1793e08356/70119593695.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6287fbae16---navarijibixebomajo.pdfIn PDF document text
  • http://avvocato-callegaro.it/public/file/sozopogapapik.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/pokizewojevelabomomev.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/tedabogopezesosipelazojom.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210613045313100.pdfIn PDF document text
  • http://aexpress.lv/index/images/up/file/8882582495.pdfIn PDF document text
  • https://pierreseche.fr/userfiles/file/tagixutakejabak.pdfIn PDF document text
  • http://zonweringbelgie.eu/ckfinder/userfiles/files/konunewipapekas.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/8b67b80407655c2a7c5408b109b0d076/50811149054.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/ckfinder/userfiles/files/84489184482.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/rusavazulosogokorikefawo.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-7-27/20210727160003991996.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/daxexudobili.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=epworth+sleepiness+scale+pdf+italianoPDF link annotation
  • 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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