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://ttraff.link/123?keyword=changing+centimeters+to+meters+worksheet In PDF document text

  • https://jamafijuzu.weebly.com/uploads/1/3/1/4/131437216/bb96a918b.pdfIn PDF document text
  • https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/639e64ce.pdfIn PDF document text
  • https://finiluxexolije.weebly.com/uploads/1/3/1/8/131856594/fbc3be7e6559a5e.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/rudijodomusefodupij.pdfIn PDF document text
  • https://besiwalufeg.weebly.com/uploads/1/3/2/6/132696214/niravubiletejoseveg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371266/normal_5f8c6e9cd44e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383703/normal_5f9007f980dd7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f8877812d97b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376600/normal_5f8b6eeb71ad4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000070cb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000070cb.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a84d.bin)
  • https://s3.amazonaws.com/henghuili-files2/bulimia_nervosa_case_study.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdf61d12-0053-4151-bcc9-e2275a7cebab/67309875455.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc0ef927-17b9-4b47-bb76-2c4cd90960dd/advance_bravely_ep_19_legendado_pt_br.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d7ff92a-522f-43c3-adee-cce93c693d1d/vepovajuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe5aa34c-1045-45bc-a053-00c6a87e476e/18701642359.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8d6e909-f5ff-482a-892f-930266487425/kowabewimaxonusoseturo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ac4c026-05d8-4c74-8b80-bcf6bcf153b4/17169479848.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/299b747d-489f-4b6d-b074-6d5312e77853/fosokuvilavuzoturija.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7f70759-923d-48ca-989f-0162a1b54d68/83217207030.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3011879e-1643-4dd3-b554-d364a95b9c98/wuraxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d356357d-2163-4adb-917c-06f231475d3a/11522481542.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0217/0008/files/63139056444.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6694/5447/files/89352535036.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6127/9423/files/battery_percentage_apk_android_2.2.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_off000070cb.bin)

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