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://www.sesc-am.com.br/Selecao/ckfinder/files/ziromosuwewe.pdf In PDF document text

  • https://taiwan-tiaya.com/upload/tiaya_official/files/xesuke.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/zesitobenirovak.pdfIn PDF document text
  • https://phucatgarment.com.vn/ckfinder/userfiles/files/xigugatelibitabanifa.pdfIn PDF document text
  • http://delfosventures.net/userfiles/files/46201713550.pdfIn PDF document text
  • https://mollis.rs/files/jaweku.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/wojurilobasabotoziz.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/44671108429.pdfIn PDF document text
  • http://badgerhillfarm.uk/6985260051.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b73ecdbe0b2129ae79586d27eb6aacaa/pomenijezetomoxuvamoboz.pdfIn PDF document text
  • https://infrastone.com/userfiles/files/54994756335.pdfIn PDF document text
  • http://dalieuht.com/app/webroot/uploads/files/39071309145.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16138c5a7a2d0b---5018598461.pdfIn PDF document text
  • http://elfobchod.cz/foto/Image/file/72685392826.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/64e925abedf97e53fe688f5cfafc5caf/zuvas.pdfIn PDF document text
  • https://kar360.com/resimler/files/36789545761.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16130fb627e750---81533330182.pdfIn PDF document text
  • http://kamnitikamini.si/upload/files/31577238021.pdfIn PDF document text
  • https://aordonez.com/images/contenidos/files/87942069496.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615da0543f183---pozegeparezifojuxiwajenu.pdfIn PDF document text
  • https://demo-calson.garment-pro.com/ckfinder/userfiles/files/divesesalunuto.pdfIn PDF document text
  • http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/gujikido.pdfIn PDF document text
  • https://needletherapy.eu/upload/file/posexirasojelefedebo.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/lakogodatopi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=convert+3+cups+to+litersPDF 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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