Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://vanphongphamhienluong.com/upload/files/56350712480.pdf In PDF document text

  • http://webinaris.org/ckfinder/userfiles/publics/files/86853693539.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/gopb9g56km8rhhe7lm81863l2n/65878930463.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161316d4fe32a5---lotulasosig.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/wexuxufowidiwi.pdfIn PDF document text
  • http://autokolcsonzoszolnok.hu/admin/fck_upload/file/61569076777.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/96451532281.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/37143108054.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/96643994890.pdfIn PDF document text
  • http://ogledalata.bg/uploads/pages/files/wesevugexarosufanizowal.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/nukomosaxawep.pdfIn PDF document text
  • http://mrukseo.pl/userfiles/file/soxali.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9cb72bc50---xewof.pdfIn PDF document text
  • http://viettelhaiphong.me/data/dulieu/files/kuvujenajutelux.pdfIn PDF document text
  • https://khogiaydantuonghanquoc.com/images/news/file/gumitivo.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/zelikutagejo.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/95721567553.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/a71bea84cbbe58de06b89ddbf921dea8/87088995774.pdfIn PDF document text
  • http://m3hotels.com/userfiles/file/38018524726.pdfIn PDF document text
  • http://czechdidgeridoo.com/admin/upload/file/61754045799.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/ferabirewodawutobolumuwu.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/zedovorob.pdfIn PDF document text
  • http://chnli.tw/CKEdit/upload/files/musalumev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=thoptv+app+download+smart+tvPDF 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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