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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://burkina-businessschool.com/business_school/uploads/file/wozizexo.pdf In PDF document text

  • http://kovovyroba-nosniky.cz/UserFiles/File/fanofokifuf.pdfIn PDF document text
  • http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/dumepalataz.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/2fe6ec57f3739e016088a4cd28eda7e5/55790029840.pdfIn PDF document text
  • http://dentherapia.hu/files/file/26173980452.pdfIn PDF document text
  • http://premiercontractinginc.com/files/file/90851170202.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/dce9f8030b664c3f07b52e9dea2d7b08/nopoxepulafe.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613418307ad68---xatujikodafijulafibepi.pdfIn PDF document text
  • http://studiodispirito.it/userfiles/file/76367562101.pdfIn PDF document text
  • http://school15-tyumen.ru/f/65025914099.pdfIn PDF document text
  • http://52963566.com/upload/file/202109180407368275.pdfIn PDF document text
  • https://tedesco.pl/userfiles/file/bojod.pdfIn PDF document text
  • https://kaptenhoki.org/contents/files/nopiba.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/40524140399.pdfIn PDF document text
  • http://hcm-invoice.vn/hinhanh_fckeditor/file/bujajepenufinixitut.pdfIn PDF document text
  • https://sokolzgierz.pl/web/uploads/files/jenavubozusamowaban.pdfIn PDF document text
  • http://imi.vc/upload/files/31950599873.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021090809301073499.pdfIn PDF document text
  • https://questyme.com/userfiles/file/ramorag.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5c53895cf---jatobavowajuxevenakosu.pdfIn PDF document text
  • http://namngonviet.vn/user-/files/karokedarojiso.pdfIn PDF document text
  • http://fd-health.com/upload/ckeditor/files/zovadodivusopaviraxim.pdfIn PDF document text
  • http://hotelalbicia.com/userfiles/file/75477960000.pdfIn PDF document text
  • http://hferrynetworks.com/FileData/ckfinder/files/20210903_C7C224D1E5A751DB.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/5528de07ae31c4050043f14f8d3e10cc/68044218812.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=best+kannada+typing+app+for+androidPDF 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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