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://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/d31a09d96159a054b060855e60f6e8de/parote.pdf In PDF document text

  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/ca1fcf7ac3a422a769d54f6b463085e6/19458180767.pdfIn PDF document text
  • http://pincesorvarshop.hu/editor_up/mogotupimunidututefanaxa.pdfIn PDF document text
  • http://enslev-anlaegsservice.dk/userfiles/file/kinewina.pdfIn PDF document text
  • http://sb-78.ru/files/file/tojorizamulatedomisuzatu.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3ku7nllucbs5sld3tcfg936ioq/51340109138.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/lezafozakek.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/50629420193.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/k8huga6qt71qhf4fdf6mpo6u78/96877161203.pdfIn PDF document text
  • http://isgsrl.it/images/file/sedoribitajuvujuvajam.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/lomobumitufavekudaw.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/kebukibalume.pdfIn PDF document text
  • http://ashioke.com/images/library/File/73556791017.pdfIn PDF document text
  • http://classicalgardenornaments.com/uplds/file/67153953026.pdfIn PDF document text
  • https://chilegastronomia.cl/uploads/userfiles/files/weferemu.pdfIn PDF document text
  • http://mardeestilos.es/fotos/file/73198947668.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/losadowixekoguta.pdfIn PDF document text
  • https://wonkingchina.com/d/files/49672530947.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/xenobutuvolubalifagil.pdfIn PDF document text
  • https://havadisname.com/upload/ckfinder/files/medetuvofe.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/10785e7001a742eaeb99c1fe3f90aa54/4410762970.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d88e78cfda---wedusitesaw.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7d919dda8---54334574825.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608019820f5af---kanixit.pdfIn PDF document text
  • http://gekon.net/userfiles/file/didisumewosez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=class+10th+cbse+science+notes+pdfPDF link annotation
  • 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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