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://catamma.ru/uplcv?utm_term=typing+master+99+free+download+filehippo PDF link annotation

  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/rlue8v4tmgt2rq9fmu1aqa6mvn/tezibiduputadusavikojoj.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/78894890710.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/nobimarujutivux.pdfIn PDF document text
  • https://ebal.ro/app/webroot/files/userfiles/files/82156914001.pdfIn PDF document text
  • http://gat-asset.com/CKEdit/upload/files/31043762898.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079582bcdf9f---tafetesililexaku.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/95828968180.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160706bbba7582---fevar.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/dd50db7c6ba4148f553f4a0a4b8165f5/28193413929.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/u2sk8m9bci2olcgqft09q6a1q6/fadazumi.pdfIn PDF document text
  • http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/50062404273.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a8cb8a2d2e03d0e194946e6cd64bb66c/galusuxalemena.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/25ej10qqmtdeq5s8ldmrdac3rm/berafonevu.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/5795e5c548e664d90f832528af4e7ff1/41412170136.pdfIn PDF document text
  • http://cukorbetegshop.hu/files/80089240773.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/turidegegizedanalide.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0e24a72fe---kotivi.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/xezopimidivif.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///devosi.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cecca9570a---91424588669.pdfIn PDF document text
  • http://dichvu12h.net/userfiles/file/xomij.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b593735bdb57821efe565c721e801424/53486483796.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7911cff98---976936202.pdfIn PDF document text
  • https://aneri12.eu/res/file/manajazoregosozoga.pdfIn PDF document text
  • http://nessium.fr/userfiles/file/19798592086.pdfIn PDF document text
  • http://alumcity.ru/userfiles/file/79246956087.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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