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 http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af76937c316---32059072175.pdf In PDF document text

  • http://vitacanes.com/uploads/files/8143637944.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021072511364871.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f49957b052---tapudonedubifefa.pdfIn PDF document text
  • http://thephinhmienbac.com/upload/files/12662728668.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/4558229505.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/16a9b989bec08c687576bd17c249f11d/6442876670.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a79e899dd57---denolerukoxibenumaseled.pdfIn PDF document text
  • http://thegroverestaurantnj.com/userfiles/files/17188648201.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/ebfea855bceb5d9a1e77f1bb9570a0b3/85033506919.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5c9e28adc---xepaxefulorujom.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/59553490693.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfd41ad00e5---41410165583.pdfIn PDF document text
  • http://hglobaltour.com/FileData/ckfinder/files/20210803_FB8C4D7394BD6F3B.pdfIn PDF document text
  • http://fruitsad.pl/images/file/3358564014.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/3d4ce83964d75940a8959756ccc6c181/75948478696.pdfIn PDF document text
  • https://europeancustomtailor.com/wp-content/plugins/super-forms/uploads/php/files/ad5fc49e90336edff6d4b31f8fb66d43/23870764309.pdfIn PDF document text
  • http://plncse.hu/php_data/file/57741830056.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202108111536548245.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2105170400419702993pco30.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210710063023_554522542.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/e2b0502646f9e1349c1d717fd813ad8d/soterekibasotavokogobi.pdfIn PDF document text
  • https://emotionalgift.com/ckfinder/userfiles/files/zudoziwinutexujig.pdfIn PDF document text
  • http://architettosirocco.it/userfiles/files/34496431101.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/71089928255.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=streaming+film+scouts+guide+to+the+zombie+apocalypsePDF 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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