Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Fake encrypted/secure-document view lure high SE_ENCRYPTED_DOC_LURE
  Document claims to be an encrypted or protected file that must be opened through a 'secure view' link, and the action link uses deceptive infrastructure. This is the secure-document credential-phishing carrier: the page imitates a secure-mail / document-cloud gate while the link leads to a harvesting site. action link to abused redirector.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://seumenha.ru/award?keyword=amar+ujala+news+paper+today+pdf+download PDF link annotation

  • https://ravemazezaj.weebly.com/uploads/1/3/4/8/134885195/dizetu-gonoxutajedag.pdfIn PDF document text
  • https://luxufaxunixepu.weebly.com/uploads/1/3/4/5/134584211/nununajebeleve.pdfIn PDF document text
  • https://binemipo.weebly.com/uploads/1/3/0/8/130874238/bunijeripapevodu.pdfIn PDF document text
  • https://rutuwupu.weebly.com/uploads/1/3/1/3/131378820/futabazivitiguk.pdfIn PDF document text
  • https://zaxixeresez.weebly.com/uploads/1/3/1/8/131871416/1746128.pdfIn PDF document text
  • https://baxorumele.weebly.com/uploads/1/3/0/9/130969728/6018251.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393911/normal_5fda1dab4919c.pdfIn PDF document text
  • https://polavimiwusirew.weebly.com/uploads/1/3/2/6/132681763/9111979.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4463809/normal_5ff2d2013d558.pdfIn PDF document text
  • https://jerolukemotib.weebly.com/uploads/1/3/0/8/130874115/4915269.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454811/normal_5fc80c07d8c04.pdfIn PDF document text
  • https://dusitibepilezu.weebly.com/uploads/1/3/1/4/131437978/bevikakegifiduvemut.pdfIn PDF document text
  • https://wifevotus.weebly.com/uploads/1/3/4/8/134897576/73d2ac83c.pdfIn PDF document text
  • https://wadewasugidaf.weebly.com/uploads/1/3/0/7/130775384/defikuzovivopuzapuw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413846/normal_5fd9caaa2d3a0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://f3874c2d-c116-49c2-b7b6-9300dc8fc43e.filesusr.com/ugd/b11f6d_6d8181abad6d4f8e8b5868b7fb218342.pdf?index=trueIn PDF document text
  • https://20996a60-9695-4f45-8fdb-44bdc783da55.filesusr.com/ugd/c57cae_9967b93306924af18798c30d2078d1e5.pdf?index=trueIn PDF document text
  • https://cb38ef3f-1f2c-4622-8962-dca261660167.filesusr.com/ugd/3ae201_c036ad617f2f4b0aa9266a0d33ca546b.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/wufujudisu/davibaxevinamexapad.pdfIn PDF document text
  • https://2a983b51-2e13-4971-8c1f-a5bca3ab4353.filesusr.com/ugd/e1a791_f947e75636564aa79f7c220737b26061.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sejakopa/10716764400.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://scripts.sil.org/OFLIn PDF document text

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