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://infrive.ru/uplcv?utm_term=thop+tv+guide+2021 PDF link annotation

  • http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/88754944388.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/12497149569.pdfIn PDF document text
  • http://4seasonstours.in/userfiles/file/gezenaru.pdfIn PDF document text
  • https://acavacecio.it/userfiles/files/29196383570.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613299d1eec8b---16519767288.pdfIn PDF document text
  • http://kruengrangthai.com/files/files/varumajijasuvunenisunisig.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/19012529371.pdfIn PDF document text
  • https://tekmaker.com/upload/files/wivaferibasomuboganurur.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/70953923093.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/54119379789.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16147ff16b9964---lixopibudizajuti.pdfIn PDF document text
  • http://rotarycochinharbour.org/ci/userfiles/files/897030322.pdfIn PDF document text
  • http://rund-sro.cz/UserFiles/File/vulizukufusixenokadugima.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/45572666701.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/55186859431.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f475074aa3---12673154370.pdfIn PDF document text
  • http://jd6618.com/jd6618/file/2021-9/file/LwpCms2021_09_22_20_27_53_5828.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/ke2tj1t4vp5n6rcce54ktq5mvu/xelipibijawosebiv.pdfIn PDF document text
  • http://abwessex.com/uploads/files/narazibiviga.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/3f8f01e8cbb480479ece1e376621011d/19522664279.pdfIn PDF document text
  • https://gulfsupremesa.com/ckfinder/userfiles/files/gubopupelibakamux.pdfIn PDF document text
  • http://yaan121.com/uploads/files/202109100107303128.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/2021911548299665.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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