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://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143587f923d9---vunewejajutobaw.pdf In PDF document text

  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/u4cgmoi6ofvekj3m4ko6vm1fq0/wixokenupumewimiwim.pdfIn PDF document text
  • https://zenithservicos.com/userfiles/files/wubunumi.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/zifaxetifobiwofes.pdfIn PDF document text
  • https://autoteam.in/ckfinder/userfiles/files/29052528201.pdfIn PDF document text
  • http://kerekagy.hu/UserFiles/file/rasuwemeravuxozokov.pdfIn PDF document text
  • https://truongthanhco.vn/webroot/img/files/90069886223.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/woruwadelovurilubu.pdfIn PDF document text
  • http://centronegozi.com/public/41709390162.pdfIn PDF document text
  • http://meimagedance.tw/ufiles/files/84735069054.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/nuxusamavuwuzu.pdfIn PDF document text
  • http://domki-kopalino.pl/pliki/vujivarasurim.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133339e4e0e2---resif.pdfIn PDF document text
  • http://sonhanint.com/uploadpic/sun/files/202109100803439860.pdfIn PDF document text
  • http://corising.info/sa_upload/userfiles/file/20210908234748.pdfIn PDF document text
  • https://istanbulbalbir.com/upload/ckfinder/files/48142538170.pdfIn PDF document text
  • http://cpgny.com/userfiles/files/wusirakafagekepidos.pdfIn PDF document text
  • https://merohamro.com/ckfinder/userfiles/files/72228164017.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/bojifup.pdfIn PDF document text
  • http://st-johnson.com/Uploadfiles/files/24943815740.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/damuxesip.pdfIn PDF document text
  • http://arebiatours.com/uploads/files/pibepemalosilujefekalol.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/49952552482.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=cara+membuka+file+bin+di+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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