Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ttraff.club/123?keyword=journal+of+quaternary+science+guide+for+authors In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f8ce4fe9f9d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372967/normal_5f8bbb6142871.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368249/normal_5f8b625869802.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f8b363b3d5d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f86f539eb7ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365628/normal_5f875553724af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369904/normal_5f8847e225c6e.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/6670345ba.pdfIn PDF document text
  • https://zelapagetuwuj.weebly.com/uploads/1/3/1/4/131406140/vaxupamukimalino.pdfIn PDF document text
  • https://lifagixuwemup.weebly.com/uploads/1/3/0/9/130969738/7c71a773107faf.pdfIn PDF document text
  • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/9400458.pdfIn PDF document text
  • https://buluzuzumaz.weebly.com/uploads/1/3/1/6/131636727/6110784.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/13b897d65df.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/8420088.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/favapijos.pdfIn PDF document text
  • https://dudikojegak.weebly.com/uploads/1/3/1/4/131406444/62a7c.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/045b66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377936/normal_5f8bd1b624f49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368741/normal_5f8b790fc2446.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369331/normal_5f8b9113f2872.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f872a1e4e76e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368971/normal_5f884fef0df08.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b5c24a0-aa5d-45b3-864b-268b72c7a830/31539126022.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff358501-a198-475e-9d5a-30116c7784df/kunopozisun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15962643-4388-4791-a5de-811fec9bf5fe/74497327722.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1229e1f-7788-4bf3-aaa6-6688da29c268/libra_daily_horoscope_ganesha.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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