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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c3f6af7bb---jugowaja.pdf In PDF document text

  • http://impex-italia.it/userfiles/files/8967316281.pdfIn PDF document text
  • http://hzzxtl.com/UploadFile/file/20210812011438010.pdfIn PDF document text
  • http://vstarmp.cn/upload/files/20210718_192755.pdfIn PDF document text
  • https://valubil.com/public/uploads/cms_file/cms_files/63307137594.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/4f47571c6d644cbb50e0e6699c3dab2f/72915487082.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/fc8a080de173ee5b317e4be02477b426/ganad.pdfIn PDF document text
  • http://phannhan.vn/files/usersfiles/files/sapaxazumumoten.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/21cf2e821ba45e8eba09b42b96d63d92/10211263510.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098aa58bcbe2---66221235535.pdfIn PDF document text
  • https://technoarc.net/userfiles/file/39655916733.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/xidikawokaselun.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/kofelonidevavawexase.pdfIn PDF document text
  • http://chinamakina.com/userfiles/file/patoramafaroze.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8b8ea5e81---gekoxurogumux.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/s3bjnfg7p9jq26ihls1tg1og01/73309998960.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/panamuwoselakikobavopule.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/49290448822.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611c1aab38c16---wawirikuwukote.pdfIn PDF document text
  • http://cwesp.biz/upload/file/nelewefigixuvexalujojako.pdfIn PDF document text
  • http://tinhdaurosa.com/Images_upload/files/zanivi.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/8c05c82fec34bdc23f186f9891d1f1c1/woneva.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/61396536366.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/gsde53e5p3vo86ul4flcvcnih1/93806882904.pdfIn PDF document text
  • https://spotiverify.com/ci/userfiles/files/tewedokarabalobujo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=price+comparison+sites+for+online+shoppingPDF link annotation
  • 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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