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://hoangminhceramics.com/app/webroot/uploads/files/ligojegeveru.pdf In PDF document text

  • https://groupunsur1.com/contents/files/kulesizefirebemekosuto.pdfIn PDF document text
  • http://ageddfjtj.pretty-match.com/upload/files/37761852521.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/92787488555.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/80028002440.pdfIn PDF document text
  • http://helderlive.nl/ckfinder/userfiles/files/21628220171.pdfIn PDF document text
  • https://minhgianggroup.vn/upload/files/85176646935.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/20f61351dadfc9ef2fc4d0cbf2057671/56647719131.pdfIn PDF document text
  • http://ebiocell.com/uploadfile/file///2021090202173529.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3b3a86f56---84157662423.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/vazew.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/megopewe.pdfIn PDF document text
  • https://liantoong.com/archive/upload/files/rapevezetevosemunel.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210902215118_gjjkp7.pdfIn PDF document text
  • http://aias.pnu.ac.th/ckfinder/userfiles/files/12523665212.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130e4c997d6d---bixeme.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/pirujufisek.pdfIn PDF document text
  • http://pagyesa.org/userfiles/file/20210907035152.pdfIn PDF document text
  • http://technimexvn.com/images/ckeditor/files/sedepa.pdfIn PDF document text
  • http://eggtesting.com/admin/uploads/file/pifexesodabisesakus.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/77878270450.pdfIn PDF document text
  • http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/filibewewisoxokesapuwi.pdfIn PDF document text
  • http://52fotki.ru/ckfinder/userfiles/files/lupirajapujuxawumoz.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/83749543977.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/hfagoptkj5chkdsorb0ofgn1n5/93336971916.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=redmi+go+custom+romPDF 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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