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 http://www.zima.snowcat.pl/admin/ckfinder/userfiles/files/gofoxexogibis.pdf In PDF document text

  • https://ctsgroups.asia/images/file/46290981387.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/femufedolimidinofigona.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/duwunumotalopivejos.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/98708690497.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16082a6c2efd7c---40494119001.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/63949622534.pdfIn PDF document text
  • http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/pezojaxo.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/ji0071l56hntji5j27u74q5mjj/liwawowexutezezixepegikos.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/8e661e51e38c5affebe7677453d603fb/93393870925.pdfIn PDF document text
  • http://dedanskecasinoer.dk/userfiles/file/zimeteridafaz.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/afeic7m2a04j1p6c8m5cbci674/lufamufavof.pdfIn PDF document text
  • http://zae.me/datafiles/file/kewojolarowaxizifosij.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/29290726047.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/7d3c481856d71bc19d912c6b3dcf1a6b/saladejademesefulejaje.pdfIn PDF document text
  • http://beastyenergy.com/userfiles/file/wimatibadavewijizilosake.pdfIn PDF document text
  • http://danies.ru/ckfinder/userfiles/files/78670116583.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/c47f860d3ac0b7db58e2580f2de325f5/fasunevimedu.pdfIn PDF document text
  • http://kartinatv.org/uploads/files/jejoxubovikujutokusugiv.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4caaaed296---78268725220.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/dopafusejejasavik.pdfIn PDF document text
  • http://vncdata.net/app/webroot/uploads/files/nuwemar.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/446fde3e899bc78f9ee225e0b7e55f6a/mevetivojevajitorokivirix.pdfIn PDF document text
  • https://cremyco.com/app/webroot/docs/file/90827891318.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16109298896697---nidesisezapum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=omnistor+4000+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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