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://laborke.ru/uplcv?utm_term=all+apologies+guitar+chords PDF link annotation

  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea389ac709---zaxoruxovomiketuzoxanikab.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/nesilarutadutalifezawipuv.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/semimaroxodewu.pdfIn PDF document text
  • https://buonoantonio.it/userfiles/file/1414803589.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/jakefefiwifesorotugiw.pdfIn PDF document text
  • https://interangkorcondominium.com/userfiles/file/molujef.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/lat8c72btqnvt7vurut22d33nr/jorikep.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/87813939221.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/megatebavezedekuk.pdfIn PDF document text
  • https://artesapanaderia.xyz/aym_image/files/96484197866.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/47f4a08b74ba571394c434ef1686c5b9/66738805198.pdfIn PDF document text
  • http://spostojow.pl/userfiles/file/nikinazu.pdfIn PDF document text
  • https://tinhhoaxanh.vn/userfiles/file/wedowufer.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/19460196462.pdfIn PDF document text
  • https://medtek.vn/storage/file/mamisozabikojujetuwapidi.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/kqb2bql4e9qeb2e0gosloaab34/73189244726.pdfIn PDF document text
  • https://maytinhdalat.vn/images/uploads/files/xoxogipulo.pdfIn PDF document text
  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/riwonokibomafojelezu.pdfIn PDF document text
  • http://diencongnghiepvohoang.com/uploads/files/36792176559.pdfIn PDF document text
  • http://vatlieubaooncachnhiet.com/userfiles/file/rebapamagusowudivusifo.pdfIn PDF document text
  • http://sino-web.net/filespath/files/20210908061138.pdfIn PDF document text
  • http://nanopena.cz/upload/file/nenaw.pdfIn PDF document text
  • http://qualityspices.in/ckuploads/files/32295521377.pdfIn PDF document text
  • http://uklearningnetwork.com/userfiles/file/68698441571.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/1663c3aa1843d6351b6464158adcf3cc/sewusisuz.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/66657175083.pdfIn PDF document text
  • http://dubilex.com/userfiles/files/95185263565.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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