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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://ggtraff.ru/123?keyword=gcam+apk+redmi+note+7+atualizado In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366024/normal_5f8703bc9edd7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f87a627e941e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f87d9e1f1c91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f87a751e1650.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374715/normal_5f8a186f9a380.pdfIn PDF document text
  • https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/cfa6e37f0d0.pdfIn PDF document text
  • https://dimejozetef.weebly.com/uploads/1/3/1/0/131070151/nisaxoratuzukulojoz.pdfIn PDF document text
  • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/5416418.pdfIn PDF document text
  • https://waniremupamed.weebly.com/uploads/1/3/1/4/131407535/e958a834.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368767/normal_5f87fff962404.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f87180b91d18.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/e3b0e001-e401-4a56-8ef5-8e055b06f1ab/jubupikupuve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e681c9bb-ea9a-44e3-bed8-e19945a445c1/jagowikuzadizaguwakasevaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54436a05-81a8-4ab6-819a-eb5815a2105b/68849998717.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5359b280-7890-42e8-a66a-03a5cec19371/kunabowir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1910/7993/files/high_school_musical_live_on_stage_script.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8571/8190/files/12782568087.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6693/9799/files/75182335311.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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