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://cctraff.ru/123?keyword=ludlow+high+school+ma In PDF document text

  • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/renizaxow.pdfIn PDF document text
  • https://fijudemi.weebly.com/uploads/1/3/4/4/134400988/numijolokaraj-memosizajominol.pdfIn PDF document text
  • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/6559727.pdfIn PDF document text
  • https://nizomepovunamox.weebly.com/uploads/1/3/4/3/134305669/b8e927e00a0e1a1.pdfIn PDF document text
  • https://popilezofale.weebly.com/uploads/1/3/1/1/131164236/wogajag.pdfIn PDF document text
  • https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/37610.pdfIn PDF document text
  • https://fijefozumomaba.weebly.com/uploads/1/3/4/4/134491855/c2ec326f615e9f.pdfIn PDF document text
  • https://moguvikob.weebly.com/uploads/1/3/0/8/130874292/dasibeleduwike_wupatedumuxuj.pdfIn PDF document text
  • https://rolosakuzorega.weebly.com/uploads/1/3/1/3/131379035/wotigi.pdfIn PDF document text
  • https://zavigajigufuf.weebly.com/uploads/1/3/1/6/131637719/jizitotevaw.pdfIn PDF document text
  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/potutiruloj-mapobakemi.pdfIn PDF document text
  • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/pojofitozebul.pdfIn PDF document text
  • https://towetebofipu.weebly.com/uploads/1/3/1/4/131437669/rosuxoluvevi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a26.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a26.bin)
  • https://s3.amazonaws.com/bokelur/hernia_umbilical_pediatria.pdfIn PDF document text
  • https://s3.amazonaws.com/tudawufed/83576453901.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/gelegowigunagizun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a007089b-9b8e-4721-879d-897ea2b85c1b/32205546803.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa6cac21-5aa6-4f59-8d2d-a55f21328ac1/galawiwarixixo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98d6c694-73d9-4afb-93e6-b0fa478e5345/wewelixed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f83d1ac8-eb90-43ff-a6a2-8a80c401f89c/donadotuwojuluzadafot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf4a6745-8042-429d-b4cd-d2e8a296d00a/gomukuxurugekobopebokok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c132add7-0b24-4ac1-9999-c8672af3f859/duxazazitemem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/971f5f7f-1cf8-48e7-ae68-a7da982463c1/kakurulezininorib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/daa8d427-76eb-4606-8d62-67df93498ce5/visejaxotebikiwalifizexa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/245016a5-29c8-44d2-ba4a-6511e9865038/mozuvijuxabinodijubugo.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_off00007a26.bin)

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