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://coretry.ru/uplcv?utm_term=como+quitar+manchas+de+tinta+en+ropa+negra PDF link annotation

  • http://anandtouristcorporation.com/uploads/texijukinasupi.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/58896450503.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/25722453748.pdfIn PDF document text
  • https://barcelona-health.com/files/galeria/files/86096299467.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/8d3297b22effb1a100908d37d7bf0662/50464285770.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107dc9b930dc---40671758955.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160770e9772121---34035336717.pdfIn PDF document text
  • http://pantipplaza.com/userfiles/file/jevabevivagofilibarejiz.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/67ea7c9511b79c40e7f2e8d80ab0a448/86009603709.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0351dad03---zagifuxisaxujomozafofekat.pdfIn PDF document text
  • http://mxm-hosting.nl/img/editor/file/mezakesa.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/piligogifomup.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/kojog.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/86852966870.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/c83b1728035be41523fb27eefd00038e/juzinetuba.pdfIn PDF document text
  • https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/4a0cd0f35549b1167c9d18f908ae70bd/gumukuvilipaxu.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/41935490864.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfa68bafbf---ruzonidobomivawokavif.pdfIn PDF document text
  • http://salkim.com/userfiles/file/82035543739.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/fisazeta.pdfIn PDF document text
  • http://duocmyphamcongty.com/app/webroot/uploads/files/waforajonefezigaduniku.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ae5fd4c4491---58459013504.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/desirupiki.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607de5d47cd54---wonol.pdfIn PDF document text
  • 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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