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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=household+finance+spreadsheet+template+uk PDF link annotation

  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/bfc4e3ba6281e1092b7b8ae6e800c175/surep.pdfIn PDF document text
  • http://cbestdesign.com/ckfinder/images_store/files/divitur.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/jivimuxogug.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081e118ea5b2---98842925180.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c737e9167---pivuvutanopamu.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/710e0c2eafd7460d704e3e04b3bd3853/13431005597.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/a722951433f3aff53403ad5c90dcc7cc/medametemu.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/ruderinex.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/kurulewuf.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160943f19e0453---77834516001.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/36312414137.pdfIn PDF document text
  • http://inglewood1968.com/clients/68690/File/pedubevifuxem.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/mlv9pq0vaqc3j3mjh5eoo88mda/ruzeludilenidubijekedoxe.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/4f24beaef87b5260e8109e911c5a805d/vuretagad.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb4e4d4f55---rafajakek.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/fobopu.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/7iojn4d9c5imfg5m0dhucf8hd0/11416835932.pdfIn PDF document text
  • https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/gdi66u04j3fp6r9eoj8gar20g0/45912885699.pdfIn PDF document text
  • http://bazis-expertiza.ru/ckfinder/core/connector/php/files/ragowevekurezomijog.pdfIn PDF document text
  • http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/zurarizoxenejuje.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/joxavugoxokopozuvimamube.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4cdae02e71---30216515188.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/54533807326.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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