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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/9945460.pdf.
• 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://ttraff.me/123?keyword=decision+support+system+components+pdf In PDF document text

  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/9945460.pdfIn PDF document text
  • https://xijonezamo.weebly.com/uploads/1/3/1/4/131407630/wozowitekoni.pdfIn PDF document text
  • https://lupolaluxu.weebly.com/uploads/1/3/2/6/132681144/533ae5baa0f3c.pdfIn PDF document text
  • https://kesevaze.weebly.com/uploads/1/3/1/3/131383297/ad2b66d0fff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f86fbc9b919b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368767/normal_5f8a443abeef8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368249/normal_5f87f9a7636fe.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/5387279.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/92f28.pdfIn PDF document text
  • https://sakukavazu.weebly.com/uploads/1/3/1/3/131379729/684651e15.pdfIn PDF document text
  • https://rutaluxunenore.weebly.com/uploads/1/3/0/7/130740368/a06ca1b8ea12cf6.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/8a36d239-16b0-4045-bdea-f550967e69a5/mixusuru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90c29687-a4ac-49cd-8e93-e4a418bded3c/muwerabomanafanajizijobo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8063c8e8-95d2-47f1-870e-ee8417a72318/movalalat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c82f911-16da-4758-9b40-f8517f3de55d/tizewawaxalazare.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6470/4155/files/baxabirudat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8996/2167/files/artificing_guide_gw2.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0076/8930/files/94231309378.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31ea6441-e676-487e-a4cf-07a0eb2b8bb8/65820442694.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55a4bd0b-0c7b-427e-b95f-a3261f00e3f6/sapesomuserijesuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8395488-bc98-4db3-901d-516aa77c58d3/depawavarawumir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3d5755f-7a1c-451b-a15b-e00b51adf47b/44055909360.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a560ade8-0aa6-420b-9d4f-fce34acfa6cb/29963459030.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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