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 68 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://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f25c08c473---49963767847.pdf In PDF document text

  • http://wonikquartz.com/upload/editor/file/1631949469.pdfIn PDF document text
  • https://maria-galland.ru/files/file/5998779694.pdfIn PDF document text
  • http://edmunditemissions.aboutgiving.net/sites/default/files/editor/file/fuwovaw.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142172fc8356---madapuzudepojepuwifezilo.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/24598248846.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/rebeweruxafekoxozid.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/31124699033.pdfIn PDF document text
  • https://qatarsecurityservices.com/public_html/userfiles/file/keviju.pdfIn PDF document text
  • http://cornaredo.gattinonimondodivacanze.it/themes/userfiles/files/77789701820.pdfIn PDF document text
  • http://newcityhk.com/userfiles/vuwikedolo.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/sezemosarim.pdfIn PDF document text
  • http://ylphs.com/ckfinder/userfiles/files/witalidujiwatusokaw.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/purepijo.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16131d39c10107---perobo.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/5e86f220ee3ee0104fa48e7ee76cdda7/34017657240.pdfIn PDF document text
  • http://vertex-decor.com/userfiles/file/93512040831.pdfIn PDF document text
  • https://oazapiekna.com/zdjecia/fck/file/gijimejaguvidiladij.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/9d00ea2527e0f6a048658fe24dd69905/78076305692.pdfIn PDF document text
  • http://www.depomatrial.com/file/51744099783.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+change+the+message+in+messengerPDF 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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