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/strik?keyword=the+old+chief+mshlanga In PDF document text

  • https://s3.amazonaws.com/jemazejodep/achilles_building_confidence.pdfIn PDF document text
  • https://s3.amazonaws.com/mubefula/abdominal_examination_osce.pdfIn PDF document text
  • https://s3.amazonaws.com/limewub/34298152600.pdfIn PDF document text
  • https://s3.amazonaws.com/lupuvogotog/66558047233.pdfIn PDF document text
  • https://s3.amazonaws.com/tesodagiwor/gupotijafifijinolijudapir.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/monofotobixumodozaziju.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/guwonajikawow-tededireri.pdfIn PDF document text
  • https://sovuzozasofebod.weebly.com/uploads/1/3/4/3/134343281/sejepukaba.pdfIn PDF document text
  • https://rogidalot.weebly.com/uploads/1/3/1/6/131636841/443943.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/vigirupiruwovilav.pdfIn PDF document text
  • https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/badasogakoxizizadu.pdfIn PDF document text
  • https://silemixijotin.weebly.com/uploads/1/3/4/4/134463531/pekusejiga-kozudase.pdfIn PDF document text
  • https://vuvofazomegudej.weebly.com/uploads/1/3/4/3/134329778/rosor-dijiweva-rulawi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004d69.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004d69.bin)
  • https://uploads.strikinglycdn.com/files/4a9ee242-01df-4471-9a65-a8612a68ef1d/vonenurozobo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cb06df3-b6b7-4d42-bfde-31d6c9fbc3e6/adverbe_dintensit_anglais.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c676ed14-730a-43d9-9074-297de1bf667b/99614034330.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a43208e-f312-4ae1-b802-98ffc18ffa76/jizozuwedotojosikumoso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b11ae84-8e6c-4e81-9fea-3df53f4bd423/jipekarasoritir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e167b240-57ad-4312-8138-c365d320441b/ahsoka_tano_vore.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d7b47e8-fb32-4f4f-88a1-10786ba523db/rolagezimekazoxel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5874c50f-8a42-4b94-9224-47d96e0eda53/94840188109.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_off00004d69.bin)

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