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/123?keyword=cambridge+checkpoint+mathematics+coursebook+8+pdf In PDF document text

  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/ef81fe639a.pdfIn PDF document text
  • https://jimagofer.weebly.com/uploads/1/3/0/8/130813953/c9cde48619.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1441493.pdfIn PDF document text
  • https://zadumeredevasax.weebly.com/uploads/1/3/1/4/131453870/0f7b0d7754724a.pdfIn PDF document text
  • https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/e98d3333872.pdfIn PDF document text
  • https://konoxitewe.weebly.com/uploads/1/3/4/4/134494736/2095181.pdfIn PDF document text
  • https://tokuguzeg.weebly.com/uploads/1/3/4/4/134464653/ffb5d135a8bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381740/normal_5f8fff769abde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384037/normal_5f932b895cb3c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000058da.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000058da.bin)
  • https://cdn.shopify.com/s/files/1/0437/6494/0961/files/dekewuwo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/0495/9383/files/zazudojoper.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3897/3345/files/27641443457.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4155/7146/files/hope_of_the_wicked_ted_flynn.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a2f1fd7-112a-4411-b5e8-8d0d38dad9b8/vijed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da8d00ae-2e87-436d-8fe9-dd87ba75f71c/nasodobukezujuped.pdfIn PDF document text
  • https://s3.amazonaws.com/zobuwubedak/28398079299.pdfIn PDF document text
  • https://s3.amazonaws.com/vukusa/40902832738.pdfIn PDF document text
  • https://s3.amazonaws.com/bokexizometun/43402031095.pdfIn PDF document text
  • https://s3.amazonaws.com/vipinib/pediatric_cardiology_for_practitioners.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 extracted file (font_00_sfnt_off000058da.bin)

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