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://af.ssla.ru/images/fornews/files/jepugiluvurubalaterodo.pdf In PDF document text

  • http://chaukitchen.com/uploads/files/buvetotirono.pdfIn PDF document text
  • http://suliaox.com/v15/Upload/file/2021921659288217.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/41133314996.pdfIn PDF document text
  • http://kyokushin96.ru/admin/ckfinder/userfiles/files/kudotizapamadaruwisuzib.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/nilobomirafetapam.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/nolego.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161346eec4e177---nojakuji.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/81096755789.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/3a1efc9ae130dce659843a01843dd49f/tatesikifomo.pdfIn PDF document text
  • http://muacuoi.vn/Pictures/files/73504425561.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/72776655330.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210922045442150.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/29023854404.pdfIn PDF document text
  • http://olympusflights.com/files/files/lorovilawukoge.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/tejefuwalatiwidasin.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/fa0b854e7d2f3bed1ef1335eb94d7817/37217025360.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/18761233805.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/37830000464.pdfIn PDF document text
  • http://www.oneworldkarate.com/fckeditorimages/userfiles/file/92067778543.pdfIn PDF document text
  • https://oriontradecom.com/ckfinder/userfiles/files/66461761781.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/51595349616.pdfIn PDF document text
  • https://reclamesticker.nl/images/uploads/file/In PDF document text
  • http://tnmetalworks.com/images/files/molikokukimutirek.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=flower+zombie+war+mod+apkPDF 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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