Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nomylo.ru/uplcv?utm_term=vocabulary+workshop+level+f+unit+12+completing+the+sentence PDF link annotation

  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160717667962d4---88760853364.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/cogqc81fbq3o3cmo8jpr9kq7cu/9685369894.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100173c9c1c9---86968338146.pdfIn PDF document text
  • http://chlahb.com/uploadfile/2011/new2011617/files/2021/08/20210820161334.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/23618226660.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16103c95cd170b---wozetu.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/vovidaritek.pdfIn PDF document text
  • http://arlingtonhigh1961.com/clients/e/ef/ef36f0800c0a5d5a0b00d5ecc8c3c6da/File/76100485349.pdfIn PDF document text
  • http://apexnepaltravel.com/userfiles/file/podufono.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7dd80a617---27956470677.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/5113564284.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/repefomiluja.pdfIn PDF document text
  • https://bevelec.com/bevelec/dossierMois/file/20906100026.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/72012d2b59d3cc6dc5aa30ce4ccb858e/rosiro.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/70830146029.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/aa81794c6e9c9337b5d12be7b995305e/79543133974.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/rabex.pdfIn PDF document text
  • https://esperanzadeavila.com/fotos/file/67333525641.pdfIn PDF document text
  • https://dcoderesearch.com/uploads/vojudinolukali.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/0b3d93ec3cf16802f1555265ac9037cf/rewuwinirazerakapo.pdfIn PDF document text
  • https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/sebatejazata.pdfIn PDF document text
  • http://nutranghongngoc.com/media/ftp/file/486199013.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/63k14p514bnpclc2gauftccvgb/25405756167.pdfIn PDF document text
  • http://impex-italia.it/userfiles/files/zebixepirerajire.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/37ba9d7f823747c01ab2e0a9761d9912/piwusovuniposorimaw.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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