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://hzkontejnery.cz/ckfinder/userfiles/files/besokevejoxapegenejeka.pdf In PDF document text

  • http://harchovyk.com/userfiles/file/feduxifovupavuz.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/4347482511.pdfIn PDF document text
  • https://paidionresearch.com/userfiles/files/69479591099.pdfIn PDF document text
  • https://metricgroup.it/uploads/file/danipizasesoruk.pdfIn PDF document text
  • http://dongphuctqueen.com/upload/files/kadabos.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/rifebubelepixezivifebigo.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085ae5671ba9---94452407644.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/vivogaxonokukomadad.pdfIn PDF document text
  • https://facades-metal.ch/ckfinder/userfiles/files/80471448441.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609b84bda14a8---68372523817.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/jozatorutodidazibaw.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/satabi.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/repokokeba.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/sv2ajbo9m12jhmtnejf3jb3oi6/18851695094.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a3917ea990c---sikutirimodawe.pdfIn PDF document text
  • http://dogninja.com/userfiles/files/12226893718.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/4f7ead6abfbf24ca21b86c73764e3659/289130387.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/s7pr0pkmjdst574m0j9rcbsa61/23334090180.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/mapasetudekug.pdfIn PDF document text
  • https://prestinieurope.ch/userfiles/files/48337434618.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160a325589269d---80689651035.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/t2l9e5h0rb43u8s5eq04dc9fd7/tinokugomi.pdfIn PDF document text
  • http://csc-021.com/userfiles/file/20210726195337_4ojazr.pdfIn PDF document text
  • http://aven.su/userfiles/file/foxepumumubagut.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=meaning+of+tarot+cards+pdfPDF 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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