Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://pistant.ru/uplcv?utm_term=membrane+function+answers PDF link annotation

  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/22263c36e25fc6b7fa725020abfc7877/sopeketuvabivetusel.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1609c445592b08---79751699070.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/6980586111.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608457088cd75---52803149307.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/7438382a083047214e459bf68fc4c5b8/zawiwe.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/worimuwuperavubulinerawav.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/08b7ab507da18bb9e56d0f13f9f32e77/14412780131.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/b20spit97vokpv3s1l9n1hulio/48209898346.pdfIn PDF document text
  • https://www.movementmedicineassociation.org/ckfinder/userfiles/files/mifaloziw.pdfIn PDF document text
  • https://rajakedua.com/contents//files/6559466581.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/gmn5lpbhd4ki5u4d5lh28ovug2/88901006686.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ons3u2ui4rmh97s1grbfqsd19a/50157102714.pdfIn PDF document text
  • http://tuanlongland.com/upload/files/6682908531.pdfIn PDF document text
  • http://cobe-ing.it/userfiles/files/navatorodituwulixowe.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/aha0ktndhsou5o7a7h9rk7sp86/53154127949.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/61130407095.pdfIn PDF document text
  • http://crmrealty360degree.in/userfiles/file/904142441.pdfIn PDF document text
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/74145393180.pdfIn PDF document text
  • https://yesilkoyluleriz.biz/resimler/files/97368945863.pdfIn PDF document text
  • https://blugarden.eu/file/66153442519.pdfIn PDF document text
  • http://secohthailand.com/file_media/file_image/file/52089035720.pdfIn PDF document text
  • https://aashianarealty.com/file/1082157642.pdfIn PDF document text
  • https://autotronics.vn/userfiles/file/togunu.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/gavekadukowotef.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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