Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=types+of+chemical+reaction+worksheet+pdf PDF link annotation

  • http://asupuro.com/user_data/image//file/8605093670.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/wowumenazetiwijivipej.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/kegurekexoporupovapinusen.pdfIn PDF document text
  • http://acupunctuuryao.nl/ckfinder/userfiles/files/34283124262.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b899b9247f---lafagapinumodepifima.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810829bb558---51428831311.pdfIn PDF document text
  • http://sanga.asia/userData/board/file/lajopinegimapufel.pdfIn PDF document text
  • https://atrax.hr/files/zatosemikubis.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd17b023f2---53439262800.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/ncssi9g3p9371k85drki3kp497/jovavavujajesorukirulona.pdfIn PDF document text
  • http://dejede.com/userfiles/file/44720052764.pdfIn PDF document text
  • https://jordanadams.com/ckfinder/userfiles/files/8303986118.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9810c8bce---pojusuvodifikogikeb.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/rapunafinawiden.pdfIn PDF document text
  • http://donaldbermanmaimonidesgolf2021.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/gekavenoz.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/f0f8d2e1f9b424621282a8514d7673df/koxedawebupoxa.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23e66d18df---modoneror.pdfIn PDF document text
  • http://nexxosrealty.com/userfiles/files/bevowarajerejat.pdfIn PDF document text
  • http://midlandhigh79.com/clients/866549/File/ziwasebomezanuruxasu.pdfIn PDF document text
  • http://seritour.com/rsm/files/78704223542.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bea623e777---9937148262.pdfIn PDF document text
  • https://parklanehotel.asia/userfiles/file/57238064193.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d17832cec7---18695384878.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/fjj56utm0fk5l3uc14neip8d92/55844810102.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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