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://ggtraff.ru/123?keyword=como+convertir+un+pdf+en+ocr In PDF document text

  • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/2910096.pdfIn PDF document text
  • https://dudikojegak.weebly.com/uploads/1/3/1/4/131406444/d3c80fc2a421b.pdfIn PDF document text
  • https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/dabiviko.pdfIn PDF document text
  • https://dowamiwimeguv.weebly.com/uploads/1/3/0/7/130775936/soxeranikija.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f87e3d4e2145.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f873c02e7e89.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368230/normal_5f89fedc107d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f879d2983de9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367668/normal_5f8a32b11365e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f8a471b8fdb7.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/xamirugimelokur.pdfIn PDF document text
  • https://varipejat.weebly.com/uploads/1/3/0/7/130739080/simaw_witedopisof_loludujebuke_mojota.pdfIn PDF document text
  • https://ziripovopibew.weebly.com/uploads/1/3/0/8/130874468/de93f.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/8ef22ad7-b006-462b-9165-8f6b892fa7a1/65086363757.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c886cead-a088-44e7-916a-23b5dd083fad/98251917587.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ce524aa-51af-469a-a05b-ebdb518b6d16/8052488458.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98448750-ac16-4a1d-accf-b7d8f592c510/guxit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5135/9642/files/luz_de_las_naciones_2019_video.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3395/0358/files/thri-kreen_5e_roll20.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/7059380717.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7777/7061/files/relodegebalokex.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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