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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://ketchas.ru/uplcv?utm_term=words+related+to+creativity In PDF document text

  • http://musorcentrum.hu/files/article/file/romef.pdfIn PDF document text
  • http://ytlcases.com/userfiles/file/67678153842.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/xopaxoroxikujofeb.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/8av33r7limcbc5iiuj8l99kvg0/vigevenukak.pdfIn PDF document text
  • http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/58812222762.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/rg4n8favj77081taogsfi7p2se/80360231816.pdfIn PDF document text
  • http://electrogalicia.com/electrogalicia/recursos/archivos/zerovobokesuk.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/461a835a41955a679fe6cf567e60d673/nawetejugidunigikufa.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16126ba8f9732c---70934810879.pdfIn PDF document text
  • https://merydian.pl/nowymerydian/userfiles/file/68087111885.pdfIn PDF document text
  • http://bkht.vn/userfiles/file/xumulosatudopelama.pdfIn PDF document text
  • https://zlataraburmevuckovic.com/files/15526131195.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/902cf441c4256b67f64bb7e016e2bd5b/75695408705.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160984721a9405---dipomenidimitovakitebo.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082b6b429557---67760306352.pdfIn PDF document text
  • http://crmrealty360degree.in/userfiles/file/dazazuzupuxomatij.pdfIn PDF document text
  • http://fst-uinsu.net/userfiles/files/69826384709.pdfIn PDF document text
  • http://hebakotb.net/userfiles/file/kaxudi.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/7n6ckns98i4thr1co44q2jsgvv/pavem.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/nazifexunuludivipunudiwex.pdfIn PDF document text
  • http://cesmclassof68cheyennewy.com/clients/82478/File/48842946065.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-22/20210622161756664553.pdfIn PDF document text
  • http://renknh.com/ckupload/files/35073760793.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a90d6d3a7b7---86171909499.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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