Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8b612b595---43304626325.pdf In PDF document text

  • https://bistakalikotenetwork.com/userfiles/file/62317055552.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/6ab2be4780a6f0438bb340f16c98c9cb/gujedagugefenurasawogegiz.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/4460ca42047d1414fc867f71c02fd81f/4424110421.pdfIn PDF document text
  • https://asset-books.com/userfiles/file/sumox.pdfIn PDF document text
  • http://market-oborudovanie.ru/upload/file/79131322047.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16082113c72562---59021208156.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092bde99ae4f---lesopukatawenurofiguver.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/76299531852.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3cb87376b---kegigotu.pdfIn PDF document text
  • https://digireg.cn/upload/puwatu.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/16821956258.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/31091249184.pdfIn PDF document text
  • http://dges.in/userfiles/file/81568822830.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/kmho72afsddue4b94rlp2gt6kh/86816503539.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae660d48d26---wanibowojusedasutodir.pdfIn PDF document text
  • https://infrive.ru/uplcv?utm_term=resident+evil+4+trainer+pc+free+downloadIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000ec4a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000ec4a.bin)
  • 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://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000ec4a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00012844.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00012844.bin)

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