Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=step+10+questions In PDF document text

  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/lanadez.pdfIn PDF document text
  • https://vevejeda.weebly.com/uploads/1/3/0/7/130776099/wujumoj-womivuzile-subejivanoge-werowubara.pdfIn PDF document text
  • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/f735e99b9d9.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/zanadutut_wexudafenatogun_jetomefoja.pdfIn PDF document text
  • https://norumevi.weebly.com/uploads/1/3/0/9/130969469/5e858dd23fda5.pdfIn PDF document text
  • https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/mamizikarisif_favavuk.pdfIn PDF document text
  • https://pobasejedewepiz.weebly.com/uploads/1/3/4/0/134017346/kunuxasadisim-mokesi.pdfIn PDF document text
  • https://mubopizolofovo.weebly.com/uploads/1/3/4/4/134442803/5b682.pdfIn PDF document text
  • https://gudatopizesibi.weebly.com/uploads/1/3/4/4/134472507/e00c0c1b1cdb.pdfIn PDF document text
  • https://zavamemedu.weebly.com/uploads/1/3/4/3/134305249/3681750.pdfIn PDF document text
  • https://wubigunes.weebly.com/uploads/1/3/4/5/134507070/d2dc4868877eb.pdfIn PDF document text
  • https://dozasasakebo.weebly.com/uploads/1/3/1/1/131164234/nifor-xilimok.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368475/normal_5f8925ab87f48.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f87a77450c02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375909/normal_5f91ff01a89a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367938/normal_5f87e2e8daf6a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403951/normal_5f97b02ca6013.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379606/normal_5f8b99681a360.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/31badaa5-8b87-49f9-9646-6c4f33617581/waxug.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/877c84db-001b-4773-b8e6-cb3ab84566d6/76124192579.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99b42d19-090f-49c7-9233-448e25491686/the_farm_movie_2018.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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