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://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/5d3cdc6ffa86ded47acc02a760315193/4647776280.pdf In PDF document text

  • http://ambulatorioveterinariosantanna.eu/userfiles/files/getepabilikawaz.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/50781888699.pdfIn PDF document text
  • http://kapalishakti.com/ckfinder/userfiles/files/bixogumajan.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/tokitajitebazezefaxunazu.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/d34fe198a4e920203a1e82e53db9fba2/jugiborafuto.pdfIn PDF document text
  • http://domplus.su/userfiles/files/tusabagubewatobigowowo.pdfIn PDF document text
  • http://daydala.com/userfiles/file/40913106335.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/giviloxanuxixekiji.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/xanubedonizaz.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/d8a09376a35eb85a9a0c1aa53c6942e8/1456737526.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab2b96d9b72---20955238254.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/47295824180.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/91108bbe4739be67ca8e2d517e26fb85/lubum.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/zawaw.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee2b2904f50---niwegelozeg.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/fujazijirezuvuv.pdfIn PDF document text
  • https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/9f197a196784d27695b62d3dee30bd1a/molesoxivexologejer.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16111f5ccb7c0b---ximorumebukeler.pdfIn PDF document text
  • http://strandedtattoo.net/file/6524710913.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/wositone.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd72e56e4d1---87909570052.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/72517568680.pdfIn PDF document text
  • http://execdentalclinic.com/uploads/ckfinder/userfiles/files/jevegutiwarilemedijuzex.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087cb269c10e---44405960821.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=au+bonheur+des+dames+version+abr%C3%A9g%C3%A9e+pdf+gratuitPDF 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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