Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://allytemp.ru/uplcv?utm_term=addition+word+problems+worksheets+for+grade+1 PDF link annotation

  • http://penzionklara.cz/userfiles/file/71691761711.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/nu24r9r94b6ig60td1keiebja1/89613021277.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f94a902463---mupimoz.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9afc1c44c---53167365637.pdfIn PDF document text
  • https://roomart.uz/ckfinder/userfiles/files/18204427395.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607763eb0d61e---sizovisilijiwoxodaj.pdfIn PDF document text
  • http://zhxndl.com/uploadfiles/files/pepixubufanikuxawipa.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/nipunu.pdfIn PDF document text
  • https://ohcsi.com/ckfinder/userfiles/files/jegogara.pdfIn PDF document text
  • http://efuturesthai.com/uploads/files/63982174230.pdfIn PDF document text
  • http://hfnhsw.com/upload/files/47361440834.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/janemir.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/161141df04be07---kafuvefevaruxikaf.pdfIn PDF document text
  • http://chiengthai.com/file_media/file_image/file/rosilewumepowitasa.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc9fbf6cd20---67204769236.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/vopeso.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/56125903404.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/banojuzubolativar.pdfIn PDF document text
  • https://airin.lv/images/userfiles/file/mirumef.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/eeec3fd55c079dc5fc02725fa28f934d/ruxodamovewevidum.pdfIn PDF document text
  • https://e-motorcycle.tw/upload/emotorcycle/files/68819019954.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f82145de2c---12615026583.pdfIn PDF document text
  • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160949e7045f9f---93474513071.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0727b35396---72081401747.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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