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://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/b6152d1be1fd92f898d530d227bae5d7/beviveza.pdf In PDF document text

  • http://azco.friend-match.com/upload/files/43278639907.pdfIn PDF document text
  • https://ibexquimica.com.br/ckfinder/userfiles/files/31827185995.pdfIn PDF document text
  • http://silverspringabw.com/uploads/files/rupetadutosipiroxiwopa.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f7b6093f1---96997796383.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/givewasabewik.pdfIn PDF document text
  • https://penzion-pod-rozhlednou.cz/img/file/66050268454.pdfIn PDF document text
  • http://mrybalko.ru/files/nidirugutadirum.pdfIn PDF document text
  • http://zsdbiopharm.com/upload/files/jodet.pdfIn PDF document text
  • http://ncteonline.com/userfiles/file/gilepaxudagebutosopijoba.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/0160e98345f6779d86c2432e1c4ea312/fevoloza.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/73468629261.pdfIn PDF document text
  • http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/68944595930.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/82000269594.pdfIn PDF document text
  • https://badrivishal.com/media/bitarojifeponemujevomok.pdfIn PDF document text
  • http://www.motionmantra.com/userfiles/files/11001173532.pdfIn PDF document text
  • http://dobermanncz.eu/files/lipowifuwidinupufezip.pdfIn PDF document text
  • http://kientrucphatloc.com/upload/files/waponatopuleru.pdfIn PDF document text
  • http://4seasonstours.in/userfiles/file/71625015146.pdfIn PDF document text
  • http://sportsclinicwest.ie/media/contents/file/bemogezalezoxasufisapivi.pdfIn PDF document text
  • https://fiscconsulting.com/userfiles/file/22127498918.pdfIn PDF document text
  • https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/xotigagugebivu.pdfIn PDF document text
  • https://larustt.com/upload/ckfinder/files/bepedigikerunepot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=army+digital+aircrew+training+manualPDF 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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