Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=azar+grammar+understanding+and+using+english+fourth+edition.pdf PDF link annotation

  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0a96d10ad---71812580753.pdfIn PDF document text
  • http://doo-san.com/userfiles/file/20210521125157.pdfIn PDF document text
  • http://ducthanhtam.com/uploads/userfiles/file/77140139019.pdfIn PDF document text
  • http://cuadepthanglong.com/images/ckeditor/files/sazitubuwidovejileli.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/45348204542.pdfIn PDF document text
  • http://billsky.ee/files/file/54444086448.pdfIn PDF document text
  • http://naphogacomposite.com/upload/files/45546768420.pdfIn PDF document text
  • https://red-adlay.com/upload/files/fiwerifopubofavipa.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/90388787669.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/inq1agieg4s6kiuhmc4b7ntaoh/segevawurogazase.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/e46amun7rh0m4u2fnpemu0skq6/73319283767.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/38ee0c36afbed0906edfec1daf1c8afa/ritotudonuxa.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/g2nq5e49c7baak9lurmo0e9t65/82958293812.pdfIn PDF document text
  • https://dcmheavyequipment.com/admin/images/file/bezirabezidurunil.pdfIn PDF document text
  • http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45828374832.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/4d0623fmodbp60chgauh8dq9mc/retarajujovunozeguxezak.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/40610725355.pdfIn PDF document text
  • http://hanilkwanla.com/uploads/files/32282366260.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cb40f145c---difepiwu.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608573cbb45a2---75166525321.pdfIn PDF document text
  • https://rjpexport.com/files/73122011056.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7796545f7---22010693098.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/1r0g486fckedqv5l1jpso8lga4/20051005960.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/afdaf82e2b57811f8ebcc213a6c58470/14008127525.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070b9b75dda0---lemunirawowovu.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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