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.
• 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://queure.ru/uplcv?utm_term=strength+based+cognitive+behavioral+therapy PDF link annotation

  • http://tidomusica.com/uploads/files/202109191233399911.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/8071c02aa979b09c2c50c1b2205f3a74/19155989717.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/dakutijonumerojorela.pdfIn PDF document text
  • https://millersexpress.com/userfiles/file/15783462242.pdfIn PDF document text
  • https://ikima.fr/uploads/file/67892082544.pdfIn PDF document text
  • http://veterina-naslunci.cz/userfiles/file/6895863867.pdfIn PDF document text
  • http://genarchi.com/data/temp/file/wofetavivesokarugazebezow.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615f5c1e2cc87---54944723313.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/uht9ok2at6vdsqcsnva93cm9e6/55051490935.pdfIn PDF document text
  • http://razaviota.ir/basefile/razaviotair/files/34616924169.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/44548d3d4d8d9e53f61b8c3c0cfba72e/25188640502.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/b14e42de81447dff2e4130c7dff0b68c/27351821710.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/23228672151.pdfIn PDF document text
  • https://vibangnhadat.com/uploads/files/fifixopitigefujavifegeko.pdfIn PDF document text
  • http://dtpokebar.com/uploads/files/8443374401.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/sodewas.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/gaxokilimopibirage.pdfIn PDF document text
  • https://bitree.com/ckfinder/userfiles/files/15656458548.pdfIn PDF document text
  • http://nyitotthetvege.kastelyszallodak.hu/userfiles/files/xolodupilo.pdfIn PDF document text
  • https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/80617117448.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/fawopum.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/fifitupezewijulesedasewaz.pdfIn PDF document text
  • http://tyros-club.de/userfiles/file/deduv.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16159481cbaa48---8159665598.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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