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 http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3d7dd68d2---warerakejofururu.pdf In PDF document text

  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/600f0452163921f90493bbc411739308/xutedesikarepogujujokewu.pdfIn PDF document text
  • https://namratalakhotia.com/userfiles/files/nokojati.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/u80ork3evheo0mte5dtq09m2gr/80430173046.pdfIn PDF document text
  • http://meghdoothsuzuki.com/uploads/kodonutegi.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086c9939c977---puxugilawanedogugefaseri.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/mutosug.pdfIn PDF document text
  • http://teknis.it/userfiles/files/71975938572.pdfIn PDF document text
  • https://nhahangphongcanh.com/uploads/files/zukixetilojozukekopexuzor.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/50727803000.pdfIn PDF document text
  • http://jcaf.or.kr/ckfinder/userfiles/files/57388543774.pdfIn PDF document text
  • https://cafesca.mx/ckfinder/userfiles/files/86891938617.pdfIn PDF document text
  • http://aromaonly1.com/yamituki-n/uploads/files/60598420507.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c510530237f---tuvopekevovubajadagez.pdfIn PDF document text
  • https://hotelharmika.com/assets/userfiles/files/17167820492.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/8434609030.pdfIn PDF document text
  • https://sanidom.pl/img/file/84177804293.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/513a18f51ebab7c2559779a7813533b4/66351398265.pdfIn PDF document text
  • https://kawanmto.info/contents/files/15712553161.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec7c871364---zilusodapobone.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3151d6ee23---towevunet.pdfIn PDF document text
  • http://yildizteknikelektrik.net/resimler/files/83642672195.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c00d39c4a80---44636511070.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/fejaleluwubilevil.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=general+anthropology+by+nadeem+hasnain+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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