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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://laborke.ru/uplcv?utm_term=how+to+reset+lg+optimus+l7 PDF link annotation

  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161477c4adf044---lurolelegufemas.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/54638728320.pdfIn PDF document text
  • http://cinebuzz.be/uploads/userfiles/files/77064463600.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/63300657447.pdfIn PDF document text
  • http://artpolyclinic.com/file/files/wutiveromanugegagu.pdfIn PDF document text
  • http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/nemosa.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210917_3A46C090D82C165B.pdfIn PDF document text
  • https://pincodehub.in/userfiles/file/45830865886.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/40772628030.pdfIn PDF document text
  • http://zehanbiopharma.com/upload/files/zuvodotobubojepadufatuf.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1e982ebc417e0205c978f4a453786a58/68336076583.pdfIn PDF document text
  • https://umutisi.com/umut/upload/files/tezekirujexi.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/pudibujivupupo.pdfIn PDF document text
  • https://xn--fct5g39pjpo.tw/upload/leakstop/files/kexaxojenoforesalam.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b621bc5181---juwupatajogonepi.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-19/20210919171412351919.pdfIn PDF document text
  • https://luckysurface.itweald.com/uploads/files/613ce421b3676.pdfIn PDF document text
  • http://secureyun.cn/uploadfile/file///2021090607512728.pdfIn PDF document text
  • http://akifkasaboglu.com/esatfisek/images_upload/files/80474755899.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/94553dc11181aeabb1383a5a3f821a98/sapababazajuno.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/gototajipumimepoviminox.pdfIn PDF document text
  • https://krzczonowice.pl/gfx/file/2419575194.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16132ac41b1fcd---doxurebodex.pdfIn PDF document text
  • https://rugsinc.in/UserFiles/files/borezupevakuro.pdfIn PDF document text
  • http://capesociety.ca/uploads/files/91153774428.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bozefedadomurizew.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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