Malicious PDF — malware analysis report

Heuristics 4

• 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 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/strik?keyword=best+townhall+level+6+base In PDF document text

  • http://files.pennridgeteched.com/uploads/1/3/0/9/130969710/vudiwopisejozemuwaw.pdfIn PDF document text
  • http://davevu.crtilepainting.com/uploads/1/3/1/4/131453114/noboverumakivize.pdfIn PDF document text
  • http://nelosel.branfordartcenterct.com/uploads/1/3/1/6/131636908/db3142391b5.pdfIn PDF document text
  • http://files.rosdyson.com/uploads/1/3/1/0/131071151/zajesiso.pdfIn PDF document text
  • http://mufupe.iheartbagel.com/uploads/1/3/0/7/130739094/a2090b7ae72.pdfIn PDF document text
  • https://site-1037029.mozfiles.com/files/1037029/29224830703.pdfIn PDF document text
  • https://site-1037848.mozfiles.com/files/1037848/gawalitarunerobev.pdfIn PDF document text
  • https://site-1036969.mozfiles.com/files/1036969/zuvuvunamikujuxigamusamu.pdfIn PDF document text
  • https://site-1041857.mozfiles.com/files/1041857/28614635813.pdfIn PDF document text
  • https://site-1036743.mozfiles.com/files/1036743/90454457305.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000694c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000694c.bin)
  • https://cdn.shopify.com/s/files/1/0439/2294/8251/files/saladerokujaworirosoge.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9290/5636/files/case_brief_example_irac.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8615ef19-c6bc-42b0-b9fc-79be02e1b09d/rageroloxu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2db686d-1d7a-4643-a7d5-0f6c0d397775/97947282264.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86d53a83-fc1b-4c93-addb-e95b59a44465/fobofewisasobitu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5150/8131/files/5e_travel_pace_table.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_off0000694c.bin)

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