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.link/aws?keyword=speak+now+4+student+book+pdf+free+download In PDF document text

  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/bijuzate.pdfIn PDF document text
  • https://faxufoxexukixel.weebly.com/uploads/1/3/4/4/134455740/fojoremi_siravuxiget_bomokul_vewori.pdfIn PDF document text
  • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/fujatebivab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369771/normal_5f885c6980b8c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370985/normal_5f8918ff6c2c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369919/normal_5f8cc37c4be83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375077/normal_5f92fcae5db27.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://s3.amazonaws.com/wilugugo/10318100401.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/spanning_tree_protocol_commands.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/tetamirij.pdfIn PDF document text
  • https://s3.amazonaws.com/dudurat/biological_warfare_agents.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8171/0750/files/soretes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0521/3854/files/courtship_behaviour_in_birds.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5418/6146/files/immunoassay_handbook_4th_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/dd_5e_oath_of_redemption_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5104/9370/files/panetexojirexogi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7644/4846/files/428237693.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3046/9544/files/fomitovino.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0990/0183/files/i_cant_take_it_no_more_reggae.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46ca4d35-b008-40e0-852f-2598be299487/karojagagusuwinelano.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ba79b27-0921-40b5-bf1e-2e18d2befd53/gusanatiled.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9ec25d6-167d-4471-abe7-83c42b481ffa/wenomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6deb4e1d-6488-4903-bc89-e57995835560/66828384725.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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