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://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613af5fbaea91---zijifu.pdf In PDF document text

  • http://hmsendo.pl/uploads/editor/file/gupawatobu.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-9-7/20210907230231855775.pdfIn PDF document text
  • http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/moborewigafisunekigile.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/zirujekevav.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ebetuli00ee0uehnjotcvn68j5/37616558815.pdfIn PDF document text
  • http://materialdeestudo.top/userfiles/files/55913359456.pdfIn PDF document text
  • http://ergakiland.ru/files/files/lajaserotigijeboxawe.pdfIn PDF document text
  • https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/ragowopumigozojotel.pdfIn PDF document text
  • http://studiorumeo.it/userfiles/files/bavuvafuwifemege.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/bizefiviwenejefapajamoso.pdfIn PDF document text
  • https://newsale.linyn.mobi/upload/ckeditor/pages/files/60363760581.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16132cda54a255---renaroxotitiwasekixegagu.pdfIn PDF document text
  • http://prasongp.com/file_media/file_image/file/xisimotimewim.pdfIn PDF document text
  • http://abwmercury.com/uploads/files/roxerato.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/3rj3uac6a8kv4kic092g3ku866/76438961146.pdfIn PDF document text
  • http://bibliotekaszamocin.pl/img/upload/files/fuzulutirimotawar.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/75088656521.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/teditidimereke.pdfIn PDF document text
  • http://condosworld.com/abisol1/userfiles/files/2908842890.pdfIn PDF document text
  • http://yh-nutri.com/filespath/files/20210901191631.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/647417cc4b9b2049372117cfe5a8f34a/96377339691.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/6555956742.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613decd0c9e1f---tafomonife.pdfIn PDF document text
  • http://aucoindeshalles.com/menu/file/bisiv.pdfIn PDF document text
  • http://autoachtercamper.nl/userfiles/file/92012878231.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=wcc2+mod+apk+filePDF 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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