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://archism.ru/uplcv?utm_term=guess+the+emoji+things PDF link annotation

  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c87085a44b---tafan.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/zasaxug.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/7503469688.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/71737645130.pdfIn PDF document text
  • http://mikllc.mn/uploads/files/wuwiwaka.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/947163b461e59e381461c61743186505/pinenirakeg.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-7/20210507215507213708.pdfIn PDF document text
  • http://newbusan.net/FileData/ckfinder/files/20210706_145EE6A13A584768.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/b403a92ffd7a3e662ebeef488f83e6bf/65135456996.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/1264575aafd356decd2121b8a23e8bb9/vovuzaridupa.pdfIn PDF document text
  • https://fid-data.fr/app/webroot/uploaderfiles/85777463841.pdfIn PDF document text
  • https://nhaccugiare24h.com/uploads/userfiles/file/votonibebizaje.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/58752539734.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/96043805568.pdfIn PDF document text
  • http://thegioioto.store/upload/files/tukejoxafa.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/6bd38017648c3af139ba8ee1687058c4/rowigejivuturozis.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/k2runntse18ojmn5q3t35j7kkc/gekikifekebukemof.pdfIn PDF document text
  • http://klimagra.pl/images/wysiwyg_img/file/ronotelinafopivosakelo.pdfIn PDF document text
  • http://www.gieskestukadoors.nl/ckfinder/files/files/64075394369.pdfIn PDF document text
  • http://donaldbermanmaimonidesgolf2020.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/61757235625.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/fcf9f51106edd3b66de8356a8371b473/99263461835.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/darofim.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/43070a7cd9fe1acb30478ca2a3ad4440/57532625291.pdfIn PDF document text
  • https://exihomes.com/userfiles/files/80333145388.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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