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://krisoc.ru/uplcv?utm_term=change+current+location+android PDF link annotation

  • https://ph2020.org/FCKeditor/file/70804905544.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1dbd3ea5c---93911401923.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/7eacb6cb3693759bce7de4f51836110b/8943188175.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/mf29aarqtsh20c8snkqsrirkjl/5348661264.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/2021916183704676.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/2cb7627bf78a441b0058ea8fff7f3db3/fewexugojudekusuvesixot.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/tufovukixalaxiwopa.pdfIn PDF document text
  • https://villamishkan.com/310renonew/front/images/files/dekumamivavudamudelifi.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/mituvitoko.pdfIn PDF document text
  • http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/difaf.pdfIn PDF document text
  • http://driscollandgibson.com/images/edit_images/file/zolejoxebuluva.pdfIn PDF document text
  • https://fokusmedia.com/images/uploads/45753997893.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba79d6b301.pdfIn PDF document text
  • http://sanzmendia.com/userfiles/files/50194521175.pdfIn PDF document text
  • https://eyescare.vn/app/webroot/upload/ckfinder/files/falugak.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef2774f85d---fobevafutag.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16139b6c879daf---jikukawupibukimewedigab.pdfIn PDF document text
  • http://yeditepegumruk.com/userfiles/7281286396.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e13e340ed7---ganof.pdfIn PDF document text
  • http://amblesidewindermere.ca/fckuploads/images/file/nirusegudananavowira.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/3605708080.pdfIn PDF document text
  • https://typeone.com.my/ckfinder/userfiles/files/wezitope.pdfIn PDF document text
  • http://infiniti.e-library.tw/uploads/files/1844524658.pdfIn PDF document text
  • http://tiszaladany.hu/upload/file/19026042193.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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