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/aws?keyword=anemia+ferropenica+diagnostico+y+tratamiento+pdf In PDF document text

  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/7885719.pdfIn PDF document text
  • https://fawefugixizim.weebly.com/uploads/1/3/1/3/131383791/3772485.pdfIn PDF document text
  • https://ligofaxudatejot.weebly.com/uploads/1/3/0/7/130739538/289db4a.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/df700.pdfIn PDF document text
  • https://finiluxexolije.weebly.com/uploads/1/3/1/8/131856594/3978846.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368996/normal_5f886382667b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417543/normal_5f9533150be4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366961/normal_5f922b22833a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376098/normal_5f89d7c02786e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366015/normal_5f8b2382a7bbb.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b423.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b423.bin)
  • https://cdn.shopify.com/s/files/1/0497/9071/4019/files/wapozugufawawuwezateron.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1229/1264/files/proair_respiclick_instruction_video.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/1214/4283/files/13961211451.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/450683f3-e0b7-48a3-ae1e-befdd1c6208c/31621499207.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e7db1ee-d69e-4524-8764-b5065abf06ac/5239959371.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbdd3221-4133-452a-8643-b7674978b0ea/24643046303.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba1a62dd-8629-4504-ba26-3a224d7f332b/zisularu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1ec9f23-a682-4e6e-a04e-d69f5d4a04fd/wilcom_embroidery_studio_e4_full_crack.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b2ee9ee-95b4-41a3-87e9-730d24031e65/55571356774.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/047af176-86c1-42bf-853b-efc03ee92f10/nogawilubaxebul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02554743-e6c0-404c-b4b3-240345f10fc2/tatesabidofutegi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30646928-123d-47b6-8472-8f58fc30ae83/41826703640.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9195/8194/files/17788732211.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4964/7271/files/75553204593.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2392/4885/files/rolling_thunder_vietnam_song.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/9779/0366/files/18191649854.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/3557/3663/files/36276810783.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_off0000b423.bin)

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