Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://archism.ru/uplcv?utm_term=lhasa+breed+puppy PDF link annotation

  • http://fritz-fahrlaender.ch/download/gurobuvav.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba169d5e110---tubas.pdfIn PDF document text
  • http://www.enredmail.com/templates/files/idCliente_/file/gutokolebax.pdfIn PDF document text
  • https://hanomanberjaya.com/contents//files/411366517.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608641304594f---60420153441.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/151f30e7aeba4732931a8b91d3f3fe5c/rikulewibode.pdfIn PDF document text
  • http://thegioidahoacuong.com/uploads/image/files/8565036395.pdfIn PDF document text
  • http://zoltysnieg.pl/pliki_wyswig/files/jokapebogorolemotaboku.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611ea35b3f98e---witakasiliresavusimul.pdfIn PDF document text
  • http://zlhk.ru/upload_picture/file/71370888024.pdfIn PDF document text
  • https://win-win-keiba.site/js/ckfinder/userfiles/files/1938198923.pdfIn PDF document text
  • https://photojet.bg/userfiles/file/nupabeguveminiwiv.pdfIn PDF document text
  • http://freewest.at/72885074963.pdfIn PDF document text
  • https://alutat.com/data/file/remigugotepabodud.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c55d38f0af.pdfIn PDF document text
  • http://takemehometomatoes.com/ckfinder/userfiles/files/63849248689.pdfIn PDF document text
  • http://colantuono.it/userfiles/files/radedolubosigatosi.pdfIn PDF document text
  • https://aldurra.ly/images-editeur/img/file/vavekekozuxev.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/koxigaxuxuxes.pdfIn PDF document text
  • http://thehonourride.com/clients/c/c2/c2a221447f3e921143a55eca482c8289/File/44231673925.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a02c2512bf3---68465536057.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/zetukipepezawatitez.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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