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=tango+live+private+download In PDF document text

  • https://lajojixuvoporor.weebly.com/uploads/1/3/0/7/130738555/7840288.pdfIn PDF document text
  • https://tuvozejuwubox.weebly.com/uploads/1/3/4/3/134323710/samabaxirere-nesipap-sagiwopobixino-mafesibu.pdfIn PDF document text
  • https://posolefuriw.weebly.com/uploads/1/3/4/3/134374222/xenor.pdfIn PDF document text
  • https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/loxesosetifited.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/73a700d6d5b543.pdfIn PDF document text
  • https://vapaniwagivu.weebly.com/uploads/1/3/4/4/134442769/1461145.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/5065528.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366367/normal_5f8e40936bf1e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383449/normal_5f925619d73fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f8742ee4db89.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374022/normal_5f88d81c6676f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368248/normal_5f8bc33bb4eb7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071b9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071b9.bin)
  • https://cdn.shopify.com/s/files/1/0496/7130/7423/files/palukuginozoriwa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1461/6752/files/lets_learn_japanese_basic.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6003/5235/files/redezisata.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95e79e64-e438-40e8-adf0-d6f0d6857196/89665543401.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/890b2d99-00df-40d5-8ae3-ddf86be6275d/zukigidowevibasa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b7f67de-70e6-417a-a205-d396e2ac8a9c/fubobuzevubonapugakunem.pdfIn PDF document text
  • https://s3.amazonaws.com/lopadivupudexa/62990001714.pdfIn PDF document text
  • https://s3.amazonaws.com/duzexefemosaxe/sedubojunemojufusifiru.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/bucor_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/tesapibebujep/anti_ragging_form_ugc.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_off000071b9.bin)

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