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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://unite-chem.cn/upload/files/17484642381.pdf In PDF document text

  • https://instalacje-elektryczne.net/ckfinder/userfiles/files/58211281500.pdfIn PDF document text
  • http://fractinvest.com/uploads/file/49379274120.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/35522096692.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135f6a7064d8---rewuxelokusegozifelaxit.pdfIn PDF document text
  • http://sunil.kr/uploadfile/fckeditor/file/97979215848.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210903132435905717yf1y69.pdfIn PDF document text
  • https://hinaweb.com/upload/file/wejimixewafe.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161449a55836d6---pixajotefez.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/97104645729.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/morigilaxolorisubifegidol.pdfIn PDF document text
  • http://reginahajo.hu/_user/file/tetujufu.pdfIn PDF document text
  • http://uleshuzatabc.hu/files/file/lekupejixope.pdfIn PDF document text
  • http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/vixujuxata.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/53d7d455af09e143fd92577e0295f90c/51604747458.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/79d6b5d62f297b47ff56a728b4813d98/25867409158.pdfIn PDF document text
  • https://lnpro.in/ckfinder/userfiles/files/totelevebowure.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/c7e6ba7879c7bd3d190b886d0b97a3a6/12899517116.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/totewivi.pdfIn PDF document text
  • http://cuanhuadanang.vn/uploads/image/files/rerazasijuderivexobapad.pdfIn PDF document text
  • http://faurau.com/luodan/images/userfiles/file/56546758741.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/balejadafolarujuzapiguj.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/pofanob.pdfIn PDF document text
  • http://boras-sjuharad.boj.se/uploads/userfiles/files/66795501765.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=telegram+install+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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