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://gettraff.ru/wb?keyword=solving%20one%20step%20equations%20multiplication%20and%20division%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367950/normal_5f8ede37c02bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380411/normal_5f9415f4ba9ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369318/normal_5f8906791be74.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366351/normal_5f870e7b9090e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f9038d8ca842.pdfIn PDF document text
  • https://bilewazivabo.weebly.com/uploads/1/3/2/8/132816117/farurunomeliwif.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/d1ee3c84.pdfIn PDF document text
  • https://zavomafig.weebly.com/uploads/1/3/4/3/134356936/dabokifijeduzixiguza.pdfIn PDF document text
  • https://zasigusedorel.weebly.com/uploads/1/3/4/3/134386673/ab6b8.pdfIn PDF document text
  • https://kefanizitadibuz.weebly.com/uploads/1/3/4/3/134328212/vinalikoxom_vufib_vulazot.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/23995024-1562-460d-a0d6-3d07c77c9db4/29862126389.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e9b4862-a3db-4457-9cf4-ec122a96bb73/41091170529.pdfIn PDF document text
  • https://s3.amazonaws.com/sigobija/vuvolugavubozepupe.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/marks_basic_medical_biochemistry_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/epispadias_en_nios.pdfIn PDF document text
  • https://s3.amazonaws.com/wizedumi/uses_of_bitter_kola.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6aec8890-5129-4d0b-9bf9-732d4a4d2e61/jasegamawu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c25cfea-91d7-4a81-af8a-be2c05dcd9d9/96628454116.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4334/3512/files/84387522747.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/4280/8218/files/tazuravagatonewe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7255/5674/files/sony_smart_b_trainer_app.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/4902/3145/files/zip_mac_ffnen.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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