Malicious PDF — malware analysis report

Heuristics 7

• 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 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://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0db2d2245246132d7fbe417ba884ae09/dojetanin.pdf In PDF document text

  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/54ead5cf773a56be96db77780fa0ce0c/xisavorogomikosetopugepe.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc00e938ca---remup.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/43296550281.pdfIn PDF document text
  • http://inbeeldt.nl/userfiles/file/fudaxitemamodivijage.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/sukebob.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/85fa2e51c3d8d7eb207ca197df596d1d/17264557137.pdfIn PDF document text
  • http://versobrokers.eu/userfiles/files/pazugizedagika.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/voxob.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/baf58f30082565d9bfa2c4d15777f7b0/bugiganarorolomajurowuka.pdfIn PDF document text
  • https://braindevelopmentmaps.org/userfiles/files/manin.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/resap.pdfIn PDF document text
  • http://bigredclassof1960.com/clients/879476/File/kadikutafobi.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/7cd4ba0cb3a586a217608b35a7b14f2f/vepajifipojotujefolike.pdfIn PDF document text
  • http://geobigoni.it/userfiles/files/78129661464.pdfIn PDF document text
  • https://nmcs.ca/userfiles/files/94599116059.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607716c0cc23c---35995382221.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078bc5ddc041---rosemolemuv.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d2f40b96f---veboxamima.pdfIn PDF document text
  • http://magyaringatlanadatbazis.hu/dev/_user/file/jogif.pdfIn PDF document text
  • http://architettomontanino.eu/userfiles/files/47875973014.pdfIn PDF document text
  • https://midasspa.com/ckfinder/userfiles/files/bopigimati.pdfIn PDF document text
  • http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/49298930407.pdfIn PDF document text
  • http://bukharasuwanee.com/sites/default/files/file/gusotuzedibixari.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=fractions+halves+worksheetsPDF 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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