Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=free+global+call+mod+apk PDF link annotation

  • https://sanidom.pl/img/file/jejolizipeb.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1613861b38b314---nareziw.pdfIn PDF document text
  • https://aymsoft.us/aym_image/files/dojumokelapiseji.pdfIn PDF document text
  • https://k85shj16h-561lt.com/contents/files/dilomun.pdfIn PDF document text
  • http://mskabel.cz/UserFiles/File/65630628908.pdfIn PDF document text
  • http://chornakorn-packing.com/ckfinder/userfiles/files/24160972213.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/tiweromimotof.pdfIn PDF document text
  • http://xn--80aadcnaeutgftohcogh8i8dsc.xn--p1ai/pict/file/55009825434.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613265beef6da---46823488991.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/zatepepupuruk.pdfIn PDF document text
  • https://vinocastillo.hu/editor_up/jodab.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/60590587599.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/zusibukinojurowonoriwadu.pdfIn PDF document text
  • https://cultureresortpokhara.com/assets/userfiles/files/87516618386.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/333b82569eebc8c3d4dabc92b543be2e/kamunulegesude.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/89226027447.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/mojufojamisusatimiw.pdfIn PDF document text
  • https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/94444745369.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c83ac31f3d---magibiwudozopum.pdfIn PDF document text
  • http://solmoda.it/userfiles/files/57332103097.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/tiwuxaxogodabukexinewof.pdfIn PDF document text
  • http://deeringbayrealestate.com/userfiles/files/5724023102.pdfIn PDF document text
  • http://xn--c1aejbdnke.xn--p1ai/admin/ckfinder/userfiles/files/17732876182.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16132bbb36da39---50872918988.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/569gg1tlbppua108d1ner4pu90/gojuwaboduzoboze.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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