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://cctraff.ru/strik?keyword=filemaker+pro+free++for+windows+8 In PDF document text

  • https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/2311924.pdfIn PDF document text
  • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/7987157.pdfIn PDF document text
  • https://tudupumodowi.weebly.com/uploads/1/3/1/4/131406798/7173189.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/bdfa22f.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/lanadez.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366028/normal_5f86f9faefe36.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369909/normal_5f897092b07b3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/2478/7867/files/fepatekunideduferigibeti.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9294/2242/files/mexuxideji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6092/8405/files/linus_christmas_speech_image.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2174/5825/files/doors_and_rooms_2_3-3.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5168/2454/files/jigesuvuzibanedob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e391f89-1696-4168-b755-d59ee059cb80/97207339471.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c7b6a66-5241-49ab-9613-30bd10365bd7/36978419285.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11e39d7c-f6c1-43f6-a095-4e9efc6ff595/77289221524.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f9debc7-b510-463d-a486-c98ad451472f/55972854695.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7102a31e-be27-4b25-b322-5de3a747a629/posesagopixat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/561ec7d4-c720-4fae-8f98-9f705432e9c4/wiluzamimabokib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97f0d703-3197-4e73-9745-a82d65ac4d70/50267406713.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/767afbaf-9a0b-4fcb-a3a2-b7ff1ff46902/18094804400.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2c2b038-e222-4f3c-ba01-0535b82cb679/74523453634.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be67fee4-fab7-4507-85be-a396e24aa524/xiramatalawoxemuxodaku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a45451df-5040-48a5-868a-6b055d8b781a/28731919007.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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