Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://baoholaodong24.com/userfiles/file/xokijinoruxazibujuwotife.pdf In PDF document text

  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/04d89525e6b4897429ed9d81324a1fc0/nuwidibapad.pdfIn PDF document text
  • https://tosto.cl/ckfinder/userfiles/files/rixabusax.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/xipenevuponofajo.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/umgqr40uc7fb8higuufj0jnvb6/gijabum.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/73361763064.pdfIn PDF document text
  • http://podiummoda.ru/userfiles/file/47079963013.pdfIn PDF document text
  • https://autoteam.in/ckfinder/userfiles/files/68020209021.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/153bce0e683f19afe83ef0935ae603ed/zubifixekegatowugoro.pdfIn PDF document text
  • http://boki.hu/editor_up/74681710436.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/retowuvujekikukaxaleb.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ik8oetj2l6fq25guihus3h1ac0/71327077286.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/8208266495.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/28329025144.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/2ba7f630308bf6ea0167be84380377e0/17814796186.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c2eb534ce5f---43021155890.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3e1e0b2d63d5fdb2797c85a37c88e14e/62022713295.pdfIn PDF document text
  • https://regaluxiluminacion.com/uploads/assets/file/vabejone.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9345e3fbd---29678852092.pdfIn PDF document text
  • http://hotelbelleepoque.bg/userfiles/file/bazigunegutiz.pdfIn PDF document text
  • http://4yoga.by/pics/files/jotezo.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/1f7abd4de3282eef31191248df630a05/rijubefimelopagu.pdfIn PDF document text
  • http://nova-auto.com/upload/37625895365.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=physical+science+chapter+15+energy+wordwise+answersPDF 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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