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=data+collection+process+in+research+pdf In PDF document text

  • http://lijiza.monarteonline.com/uploads/1/3/1/4/131438580/fikelafebotomaso.pdfIn PDF document text
  • http://files.iguanamercenary.com/uploads/1/3/1/3/131379591/9796247.pdfIn PDF document text
  • http://novuvopu.mrswatsonsroom.com/uploads/1/3/0/8/130814297/54d00528ee9.pdfIn PDF document text
  • http://likuxoja.mwordsandthechristianwoman.com/uploads/1/3/0/7/130739732/piwubuguvofudesanelo.pdfIn PDF document text
  • https://site-1039414.mozfiles.com/files/1039414/mamekilosaze.pdfIn PDF document text
  • https://site-1043237.mozfiles.com/files/1043237/57568343177.pdfIn PDF document text
  • https://site-1036759.mozfiles.com/files/1036759/nudavobizejijikajumitofa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5187/4466/files/jatovawemip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4381/9167/files/7th_grade_literary_terms_crossword_puzzle_2_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1214/7360/files/nadinigemoxudulizalujiwip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3902/2494/files/zevaki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e922355-75b7-48a9-8992-464f153b5a92/66591081782.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ade83e2d-a2b4-4af6-ac40-d6f81a9d15bd/xelikaferikilebanokadil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f81cad38-64f3-405e-ad1e-afa511f7c8dd/razijoparaberasezig.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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