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://limblength-sldf.com/userfiles/file/lesuwewuru.pdf In PDF document text

  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d7ca19b5f---juzukiropapumikunobovo.pdfIn PDF document text
  • http://www.climatisur.com/ckfinder/userfiles/files/44766229791.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/44333048295.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606c73c41a0f1---gesubagofubog.pdfIn PDF document text
  • https://nnt52.ru/userfiles/file/13399720742.pdfIn PDF document text
  • https://bbgpiti.com/userfiles/files/43990406558.pdfIn PDF document text
  • http://cmtdental.com/upload/ckimg/files/3884316128.pdfIn PDF document text
  • http://mbcasc.net/imgs/file/dujodozixejalu.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16221424393769.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/dfda9be62d7fd8c0a97529b2c72c8f86/zebagonozabimegakodul.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd7b96cc55---6222595425.pdfIn PDF document text
  • http://2m-m.eu/userfiles/files/lakamugaz.pdfIn PDF document text
  • https://bojovicsirogojno.com//files/87050492855.pdfIn PDF document text
  • http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4392868927.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/rimaruvele.pdfIn PDF document text
  • https://tumsad.org/img/editor/image/file/79672591455.pdfIn PDF document text
  • http://partnerplus30.ru/images/fornews/files/dalagovezafow.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98dbc56b1f---kenikatazatudaferelaga.pdfIn PDF document text
  • http://karthikeyanjayaram.com/userfiles/file/17781691799.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ed126fe03---49265928318.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=forester+xt+manual+transmissionPDF link annotation
  • http://perfecturology.cafe24.com/upload/editor/imagefile/21377254928.pdfIn PDF document text
  • 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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