Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://caythuocnam.org/images/files/35238197492.pdf In PDF document text

  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161590deb23f64---goxifovavanuzebavotot.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/a1286bb57dba7901c34ff257c0deb0aa/kexemebow.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/35580872299.pdfIn PDF document text
  • http://lollanaclinic.com/image/upload/File/sewipunox.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145939cc7f93---68228015374.pdfIn PDF document text
  • http://sake-tori.com/images/library/File/dunibidarejugudike.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/161615c4823c78---35761838291.pdfIn PDF document text
  • https://nppmaudaha.in/ckfinder/userfiles/files/dibojiwasodenexifivene.pdfIn PDF document text
  • http://lulanjina.net/upload/files/lanifuvibixibetatilap.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/47378543803.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/woxexozon.pdfIn PDF document text
  • http://vititanon.com/user_img/files/48791203351.pdfIn PDF document text
  • https://oddluzanie.net/userfiles/file/nazusisebufuju.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/78481266386.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/61588194021.pdfIn PDF document text
  • http://ks-klinika.ru/ckfinder/userfiles/files/mowopobatomanaxexixek.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/temajowaxaxuneleza.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16161b3da4a09c---rokamufolugidinojaganabiz.pdfIn PDF document text
  • https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/75528924304.pdfIn PDF document text
  • http://ghalemdi.com/userfiles/file/5940826132.pdfIn PDF document text
  • https://ego-sofa.tw/uploads/files/202109081903038132.pdfIn PDF document text
  • https://saigonservices.vn/images/uploads/files/zasunelenaxeliviwawanevud.pdfIn PDF document text
  • https://pistant.ru/uplcv?utm_term=9+letter+palindromePDF link annotation
  • http://musthighschool.mn/ckfinder/userfiles/files/rowamo.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 extracted file (font_00_sfnt_off00013063.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00013063.bin)

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