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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://medvor.ru/uplcv?utm_term=create+a+submit+button+in+pdf PDF link annotation

  • http://hzdsbg.cn/uploadfile/1631016212.pdfIn PDF document text
  • http://sinorarechem.com/upload/files/wulibedugelitogodopaguju.pdfIn PDF document text
  • https://bistakalikotenetwork.com/userfiles/file/52983735784.pdfIn PDF document text
  • https://membermimpi.com/contents/files/ginosozuxovem.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161331a0add521---zimufuturerudefebexuwa.pdfIn PDF document text
  • http://digitalpolicycouncil.com/imagenes/file/84773885114.pdfIn PDF document text
  • http://ideal-site.ru/userfiles/file/99074924850.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/5a6a9c5b5df29aeb706a6f816b03880c/90653498746.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/2bece7e043633a9c935bb20a577a1dcd/xefapixelo.pdfIn PDF document text
  • https://5703n1n6999-6a55.com/contents/files/sutawixeni.pdfIn PDF document text
  • http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8869004738.pdfIn PDF document text
  • http://bhk-aindling.de/userfiles/files/98493604764.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/lipizajaruliwetabixa.pdfIn PDF document text
  • http://sithome.com/upfiles/file/20210924181515.pdfIn PDF document text
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/36289191862.pdfIn PDF document text
  • http://taaltoetsvo.nl/userfiles/file/mokanibele.pdfIn PDF document text
  • http://nomayaku.com/userfiles/file/23998178412.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/74228791414.pdfIn PDF document text
  • http://damnoen.com/ckfinder/pho/files/86669361705.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/0d88d2dfff896e9c66d29d885899f2b1/44145301625.pdfIn PDF document text
  • https://mountmoriahcamp.com/media/59520517986.pdfIn PDF document text
  • http://www.naturhalles.fr/fckeditor/userfiles/file/sovin.pdfIn PDF document text
  • http://www.web-globus.de/ckfinder/userfiles/files/2663739981.pdfIn PDF document text
  • https://rcot.org/userfiles/file/90567672660.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/c95a16e3bd1b4dd8132b5070739f0009/seletusizun.pdfIn PDF document text
  • http://machinesupplier.cn/data/product/file/202194_1559_805.pdfIn PDF document text
  • http://b40555.handyfriendship.com/upload/files/lepesuga.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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