Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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.
• 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 https://ttraff.me/aws?keyword=williams+hematology+10th+edition+pdf In PDF document text

  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/kusemimatos_wirak.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/gawowubi.pdfIn PDF document text
  • https://wobafedufuj.weebly.com/uploads/1/3/4/0/134012960/9d315d35bf3.pdfIn PDF document text
  • https://dowisapi.weebly.com/uploads/1/3/4/2/134266119/3860266.pdfIn PDF document text
  • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/c16f2e96.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368748/normal_5f8c50ded7077.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378848/normal_5f8a6bb81cbe5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384640/normal_5f93119b4151d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369646/normal_5f8aa2f89205a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368751/normal_5f88d0bbeaf41.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380701/normal_5f8f20fb490c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388163/normal_5f935d40c7a4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381528/normal_5f8f672cebdcf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366984/normal_5f874324e6ed7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390381/normal_5f90165c20855.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f9364866531b.pdfIn PDF document text
  • https://duririsi.weebly.com/uploads/1/3/4/0/134096382/f72c942c9c8dfa5.pdfIn PDF document text
  • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/c3ab2a8.pdfIn PDF document text
  • https://tevitoretej.weebly.com/uploads/1/3/2/6/132680933/zesafakawaf.pdfIn PDF document text
  • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/5633464f7aa.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/9885805.pdfIn PDF document text
  • https://wuwuleli.weebly.com/uploads/1/3/1/3/131398564/5750051.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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