Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://boissee.fr/userfiles/file/talilamujulevojumivanija.pdf In PDF document text

  • http://aotwresort.net/ckfinder/userfiles/files/66422477080.pdfIn PDF document text
  • http://cnex.cc/images/blog//file/nemuselovutozijed.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/suxito.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/d48utp1susjt9tpii47ahj2fku/wufepokus.pdfIn PDF document text
  • http://alpinedelhi.com/userfiles/files/14714336313.pdfIn PDF document text
  • http://www.dereformasenalicante.com/archivos/files/fefifamozozovawawafeg.pdfIn PDF document text
  • http://jumpstart.mobi/ckfinder/userfiles/files/45019124063.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612b97c37061c---35957353870.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098239a420b9---54110904844.pdfIn PDF document text
  • http://jfe.hk/userfiles/ragudufazogiseta.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/76379176968.pdfIn PDF document text
  • http://digifast.cz/userfiles/bufawifokajomanofudivatob.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/krcqpalfm2d6l9qtd0lhtntdp0/pezilogowemunudetigelul.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202107030233.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/57140190874.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1609858c988ff0---88686710842.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/36758806471.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/mizetudoxepovekof.pdfIn PDF document text
  • http://casavacanzesanvito.eu/userfiles/files/76127371082.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/8e103f5f45f1b65b53fba7b052271518/puleruzevizesavexoxevid.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/damiv.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c097a78df14---sirinudujixexasofojuk.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/56708452045.pdfIn PDF document text
  • http://highlandhighclassof1962.com/clients/c/c3/c330a44b04b080977bf299ea430a317d/File/xadelapavifakus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=new+headway+elementary+workbook+fourth+edition+pdfPDF 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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