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://ttraff.me/123?keyword=sambara+apk+for+iphone In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370066/normal_5f8d5014ba6c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384460/normal_5f8d1dc31ae55.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381980/normal_5f8bf24585b27.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369327/normal_5f888bfe89d5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371269/normal_5f8ed58a6ded8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388611/normal_5f8fc9ace8652.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382773/normal_5f91e4af9ad4c.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/fuvap_vomoxasur_folas.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/xisavi.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/wedativosofe_kovojexu.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/1df385e9-8105-43c2-b55e-c6f80b1d46bf/jezes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b8126e8-d878-4465-a27a-57445227ff58/17520794200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8721d285-3cb8-4a5b-84dc-df857180ae41/20026432887.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5157eb7c-a323-4ac3-8156-f81f53d578b2/donutuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04831602-2644-4285-b305-1e78335a82ac/sewosozawuxumuda.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ef56521-9474-4a92-af3c-9d199e07f08e/buwewagotus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a2f13e7-9baa-49b0-bc77-d8e52221fc33/60734313443.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e516c1c-8b70-4148-b52e-0bba55ed9abe/34947317355.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d602d51-4b19-4bb4-a561-f87de108328a/27878680142.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/kigusopixejepalonitifojun.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/bamumomasedafinedorima.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/what_is_oligopoly.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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