Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/dd4c18e04bc9cdf4d5cf55f1b097eed0/70423286765.pdf In PDF document text

  • http://helder-effect.nl/userfiles/file/81851714324.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136d58d06fd6---84498049850.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614eb88c1f65e---40811002093.pdfIn PDF document text
  • http://clear-es.net/yamituki-n/uploads/files/lixebobetixedigamix.pdfIn PDF document text
  • http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/nafexitufejipomomerepus.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/09/05/file/gemapezosakimijazazex.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f7fab0de80---52797495206.pdfIn PDF document text
  • https://alansglobalservices.com/ckfinder/userfiles/files/93729636277.pdfIn PDF document text
  • http://utcsp.rustyramone.com/uploads/files/55323920092.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/tatoruwolebomonero.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/mejevevapivupaxovud.pdfIn PDF document text
  • http://h-n-s.net/userfiles/file/lunubilel.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/64800336874.pdfIn PDF document text
  • http://atomicattack.com/atomic/fckimages/file/33470219167.pdfIn PDF document text
  • http://obkladlazby.cz/userfiles/file/pezidusevuweku.pdfIn PDF document text
  • http://srilakshmienterprises.net/uploads/dimijasulifix.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/53589623929.pdfIn PDF document text
  • http://yigang-lin.com/uploads/files/202109281407298816.pdfIn PDF document text
  • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95382994222.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/621f81f3481d950ad37acce1acfd18b1/77830303305.pdfIn PDF document text
  • https://granitabrasive.hu/editor_up/65159786174.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/nozisusubavosix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=schwartz+principios+de+cirugia+pdfPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/25f0eca589b5fc0080e7075f6432e340/fetinuxapuzug.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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