Malicious PDF — malware analysis report

Heuristics 6

• 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 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://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/63200c19f77bd8bcd3f091f187f5e4f7/14995419962.pdf In PDF document text

  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8bff8d1bf6---fiviw.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/47150879288.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/382aa7a33fb28eed5917799968cef4a8/fesinaneto.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b054dc5be20---35928331251.pdfIn PDF document text
  • https://krossi.ru/images/content/files/61342142224.pdfIn PDF document text
  • https://peilimineko.com/userfiles/file/93501722267.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/kotunataxawawikez.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073ce7eba38d---puzopofatenizira.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b84a16475---mekagisesulawotemikuvi.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160739e17d86c9---75111395036.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/59952452213.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/50201931250.pdfIn PDF document text
  • https://cutandcolorparrucchieri.it/file/jafiziwasewesigeter.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f14157942df---jenasimezudu.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c56caf7ef5a---77302391138.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/8d42acb86be120ce9c8b0ed00c082733/jisebefeteja.pdfIn PDF document text
  • https://matteagianotti.ch/userfiles/files/toxafubetezesepulisa.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/40400748051.pdfIn PDF document text
  • http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b19427b5c---jojewubikofulikubaxosox.pdfIn PDF document text
  • http://finemetal-cn.com/upload/files/vabowigagaxa.pdfIn PDF document text
  • https://alperbehang.nl/userfiles/file/35321700159.pdfIn PDF document text
  • http://asustainable.com/global/file/tufobanomur.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/ca34ftbbh62n03u5966g0h6jcs/vozusazipesesinovape.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/95a6f37b9d5d8efbcd5f0b4c63f60484/77190456527.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/1685c8143752c3154ef64f6d8c0ce9c0/risimofanutomasenalijifel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=the+brewers+armsPDF 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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