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://cctraff.ru/123?keyword=open+letter+to+bio+mom+from+stepmom In PDF document text

  • https://dopuxaponaxu.weebly.com/uploads/1/3/2/6/132695391/e679d1802a7.pdfIn PDF document text
  • https://zinikedefi.weebly.com/uploads/1/3/0/7/130740178/nosivojegon-jasalamobuxer-jinibot-petezena.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/8536469.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369158/normal_5f932a66bdfb9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404287/normal_5f978dfc382a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404528/normal_5f9512b5b3990.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378852/normal_5f97387f10a92.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367650/normal_5f89bff2cb68c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367923/normal_5f87b5c3479fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f87127e0bd97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383572/normal_5f8d8d2c88393.pdfIn PDF document text
  • https://vevejeda.weebly.com/uploads/1/3/0/7/130776099/wujumoj-womivuzile-subejivanoge-werowubara.pdfIn PDF document text
  • https://bilewobadazape.weebly.com/uploads/1/3/2/6/132695578/3cb8123f33c700d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007db5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007db5.bin)
  • https://uploads.strikinglycdn.com/files/6178e73c-f0f3-48ef-a028-33fa03f098d3/kiwejodizurekuxuninag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3985cfd3-186b-46b8-a74d-2316316f490f/zapalofamuxemofizili.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2953a609-4154-441a-ab4a-aa14a697b24d/75889569522.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3554e88-8df2-448a-afd0-a5743bcc3442/damped_free_vibration_solved_problem.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6538/4866/files/duckbill_deck_wrecker_harbor_freight.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4365/9677/files/solving_multi_step_equations_kuta.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6248/4383/files/51564432383.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7915/3813/files/56528427704.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1966/3522/files/11323223401.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_off00007db5.bin)

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