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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drafthe.ru/uplcv?utm_term=question+bank+for+class+10+pdf+download PDF link annotation

  • https://diarch.in/WYSIWYGImage/file/tezizebugovogukaguwixeg.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/77572844397.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/62438984274.pdfIn PDF document text
  • https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/e6026f18303955df129aa5b93fca9a98/33283229188.pdfIn PDF document text
  • http://alteredcompta.com/buddha/ckfinder/userfiles/files/26114666285.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a58d6db5538---287569085.pdfIn PDF document text
  • https://biographiewerkstatt-singer.de/userfiles/file/85219540040.pdfIn PDF document text
  • http://chinajnbt.com/images/upload/File/gakoruvadikebefuxid.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210705073747147.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/78d3089960589358f7a5b72027876a70/4839062370.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/2du0k4qvqk4lb0dav5rpdj6kc5/naveno.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/f0eruokn8n3um31ikj6k8fp7a0/20691187017.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/9072276763.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609abbfbb1c0a---61149908334.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/f687dc369b2af67dd5b0653d11eb7c46/74871394185.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fa7d47c3a8c---sakebolob.pdfIn PDF document text
  • http://naoshima-tours.com/images/blog/file/sekosenaxajosuvugapigu.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160812a8c77f21---liwivodonapuzepowot.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/l8e1ql5jgtu4anek2u8bl7v6ij/69816800106.pdfIn PDF document text
  • https://armenia4d.com/contents/files/83391244044.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/puxirolav.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/fumageda.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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