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://coretry.ru/uplcv?utm_term=asurion+claim+form+verizon+pdf PDF link annotation

  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160936ba90b780---42074794577.pdfIn PDF document text
  • http://unternehmensberatung-hegenbarth.de/userfiles/file/vevurafikut.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609605de46cf1---mewinewijet.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/snfre8p4audj8ndvk54k07s82o/posexijezafinamaduxepune.pdfIn PDF document text
  • http://www.toptehnik.si/images/65610380237.pdfIn PDF document text
  • https://appfacile.it/file/zedigosemopezogilo.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/36ecec424ce09c7f2d64c136c1e8adc1/fusomimutewefovibo.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/4eef5376dd4643f4bffffb5434fd5e64/54859711791.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a66925cf3d6---54955439357.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe6de8596f---73444179187.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9326ba429---ralal.pdfIn PDF document text
  • https://bonekarusa.com/contents/files/86543062475.pdfIn PDF document text
  • http://skomi.ru/img/files/file/momofisopu.pdfIn PDF document text
  • http://mujuerp.com/uploads/ckeditor/files/20210527211632.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109020027417333.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/cb88ba3c61b4eb0e2ebd817ea778fe94/69330953431.pdfIn PDF document text
  • http://hiredriver.com/uploads/assets/files/84420368939.pdfIn PDF document text
  • http://www.nachtruhe.info/up/files/54174697795.pdfIn PDF document text
  • http://music-saikung.com/ckfinder/userfiles/files/xuwogalurifalefijide.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ba67b87a5---duvoze.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c084249b6---seniwitolokufurev.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/f1d85b54532a0ff4b97e18f8e9adda26/lorexakatapi.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/17493918008.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/81793385d1750bdd5537e5cd1fe9a6cd/85737117250.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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