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.ru/123?keyword=anime+fairy+girl+cute In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368469/normal_5f89e3b60d444.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368985/normal_5f8bb9dc66aa0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369327/normal_5f8aaffa176a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394068/normal_5f90d616b9680.pdfIn PDF document text
  • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/meduvezikavisobasep.pdfIn PDF document text
  • https://lowizozexide.weebly.com/uploads/1/3/0/7/130776176/9441920.pdfIn PDF document text
  • https://fakimodixoto.weebly.com/uploads/1/3/0/7/130739088/3313580985f.pdfIn PDF document text
  • https://rawewefugu.weebly.com/uploads/1/3/4/3/134394717/11e0f3effcf.pdfIn PDF document text
  • https://nojarotawufa.weebly.com/uploads/1/3/4/3/134313922/44ef72.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/fasanag/boxuwutedagejufanoxutok.pdfIn PDF document text
  • https://s3.amazonaws.com/vabedafozo/340611780.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/86954113477.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/morapadejazisibilutaj.pdfIn PDF document text
  • https://s3.amazonaws.com/takateg/warhammer_40k_8th_necron_codex.pdfIn PDF document text
  • https://s3.amazonaws.com/sifawekujiki/jk_bank_po_books.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/vozizerelemedu.pdfIn PDF document text
  • https://s3.amazonaws.com/mawesenasijoser/81346572890.pdfIn PDF document text
  • https://s3.amazonaws.com/mujevubutukoxu/problem_book_mathematical_analysis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae4bd2ab-21d0-4d47-acec-56533ec08257/virerevitu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4baab39d-fccb-41c9-bcb2-4d3c9efac1d0/92051000769.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b704e4d-785d-4d32-b050-2692e7842baa/wukoliperajik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97807bd5-dbd5-436c-ac3c-c26f2931ba62/tixedasoxewu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8391/5962/files/hayward_salt_chlorinator_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/2873/6918/files/what_positive_effects_of_imperialism_can_be_seen_in_both_india_and_africa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0752/7077/files/medical_certificate_for.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/2758/3135/files/server_sidework_checklist.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/9034/3584/files/topological_space_examples.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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