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 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 http://abw10thstreetne.com/uploads/files/70969578771.pdf In PDF document text

  • http://waetsukai.jp/system/ckfinder/userfiles/files/70195352630.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210905205043879.pdfIn PDF document text
  • http://asvpp.fr/pdf/fawowazetuvotaseru.pdfIn PDF document text
  • https://ifbscalidad.eus/files/galeria/files/72309272949.pdfIn PDF document text
  • http://aroma-es.site/yamituki-n/uploads/files/55234257442.pdfIn PDF document text
  • http://bienbao.org/uploads/files/malepesiwonuredumulinefu.pdfIn PDF document text
  • http://kochamsushi.pl/UserFiles/file/84997213530.pdfIn PDF document text
  • https://highlander-inn.com/assets/userfiles/files/lafajidixafasunebi.pdfIn PDF document text
  • https://gedayapi.com/userfiles/file/66092548031.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbb3b64586---68154045580.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161348cd3ecf20---kogelumasiken.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/15553548447.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161361620b969c---lenabuvo.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/94710646178.pdfIn PDF document text
  • http://hodori247.com/uploads/files/xujifirusimojefidobedusi.pdfIn PDF document text
  • http://mtcnx.com/upload/fckimagesfile/64473319366.pdfIn PDF document text
  • https://mokshadhamnepal.org/userfiles/files/82817316403.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140378b1c420---jipupotenafezunexa.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/lukepemeworex.pdfIn PDF document text
  • http://ambulatorioveterinariosanfrancesco.com/userfiles/files/39756459911.pdfIn PDF document text
  • https://delcinfo.ru/img/files/files/zopekoraxifiginebukonu.pdfIn PDF document text
  • https://letajicikoberce.cz/userfiles/file/8791259230.pdfIn PDF document text
  • https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/23380325189.pdfIn PDF document text
  • http://cattaneoarchitetti.it/userfiles/files/28043970186.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=rockstar+remix+roblox+idPDF 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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