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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16239e202b65a8---28417244260.pdf In PDF document text

  • https://roxogarafuxor.weebly.com/uploads/1/3/1/1/131164132/doletosopew_pekax.pdfIn PDF document text
  • http://skupka23.ru/upload/m/zinupo.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/63359096995.pdfIn PDF document text
  • https://kejidelevotina.weebly.com/uploads/1/3/5/3/135326148/fakuxepezi-wodebererora.pdfIn PDF document text
  • http://dui-antidote.net/images/userfiles/file/zexujimesideb.pdfIn PDF document text
  • http://kasargod.net/uploads/file/jagaxebumelafugopazukidat.pdfIn PDF document text
  • https://kujafuzepod.weebly.com/uploads/1/3/1/6/131637430/67b0a6.pdfIn PDF document text
  • http://balbu.eu/uploads/news/file/vukorenipokixipuda.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1621f9976216d3---79597752381.pdfIn PDF document text
  • https://2acontractor.it/images/file/544238585.pdfIn PDF document text
  • https://baloxojiregape.weebly.com/uploads/1/3/4/6/134685367/gateworexurewive.pdfIn PDF document text
  • https://vidamizumowi.weebly.com/uploads/1/3/4/5/134598026/9c650b6e44e0.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/16447066981623831393.pdfIn PDF document text
  • https://fetoviwenibade.weebly.com/uploads/1/3/4/7/134701039/fesed.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/bezotusefarajonupexa.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/9d08755de49ccb8ab27005cc530a1e2c/33265184896.pdfIn PDF document text
  • https://wuvesemoni.weebly.com/uploads/1/3/4/3/134335409/2782612.pdfIn PDF document text
  • https://tebelusagunesaz.weebly.com/uploads/1/3/4/3/134318259/lapabejo-pogofolet.pdfIn PDF document text
  • http://forestheightsgarden.com/ckupload/files/6179949196.pdfIn PDF document text
  • http://agarimo.com/archivos/archivos/gixedekejala.pdfIn PDF document text
  • https://t-groupvnxkld.com/uploads/news_file/70354092558.pdfIn PDF document text
  • https://vopezewom.weebly.com/uploads/1/3/3/9/133988608/delul.pdfIn PDF document text
  • https://lazav.co.za/YmrXLWy8?keyword=compress%20pdf%20into%20small%20pdf%20size%20file%20free%20filePDF 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 extracted file (font_00_sfnt_off0000d66e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d66e.bin)

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