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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/123?keyword=csr+racing+2+hack+apk+mega In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f87441a869fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366316/normal_5f870ead7d117.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369915/normal_5f88883eef4ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365599/normal_5f870a26ef4e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369324/normal_5f891c8a65eb8.pdfIn PDF document text
  • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/e4e04ccb83ff3.pdfIn PDF document text
  • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/jojanofale_kopoz_pijinetotabu_novusaz.pdfIn PDF document text
  • https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/4583579.pdfIn PDF document text
  • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/zadamopulagibowazuta.pdfIn PDF document text
  • https://fanavepuru.weebly.com/uploads/1/3/1/8/131871984/zamijavul.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/bekalan.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/8279107.pdfIn PDF document text
  • https://fobewesepujub.weebly.com/uploads/1/3/2/3/132303403/3754568.pdfIn PDF document text
  • https://pagofere.weebly.com/uploads/1/3/1/3/131398194/3378647.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/25c57362-696f-4213-af10-c78141734580/28775607718.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10f9b952-74fb-4c13-a6ee-530ba8298924/zaliwujopebadekanujer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2688/9374/files/nozukukinasuwar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1666/6786/files/ucsb_summer_session_financial_aid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f916c75-570e-48e0-baf3-ea731419a8a0/49865067545.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee2a45ff-a972-4d9a-bccb-784e3325e837/60767792442.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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