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://cctraff.ru/aws?keyword=confian%25C3%25A7a+cega+brennan+manning+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f89cf1516f40.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386092/normal_5f8d75bc11123.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f86fee906a02.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407991/normal_5f9257b61dc56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370066/normal_5f8a5e0031b7d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f875cc16c3b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379032/normal_5f8e170a468b9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d33.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d33.bin)
  • https://s3.amazonaws.com/wunupalezozerud/reading_comprehension_lower_intermediate.pdfIn PDF document text
  • https://s3.amazonaws.com/bitizopovopaso/50706745163.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/livro_de_direitos_autorais.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3961/3347/files/79727495055.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/4450/1161/files/manual_bizagi_portugues_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1778/8830/files/worksheets_for_first_graders_math.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2536/6165/files/13348842625.pdfIn PDF document text
  • https://s3.amazonaws.com/gidibesuxi/apprendre_le_chinois_facilement_pour_dbutants.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisigetizoxif/ayatul_kursi_malayalam.pdfIn PDF document text
  • https://s3.amazonaws.com/gebukil/64755661772.pdfIn PDF document text
  • https://s3.amazonaws.com/bulozor/zaxuwof.pdfIn PDF document text
  • https://s3.amazonaws.com/woberiz/java_ee_8_tutorial_oracle.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1417d1be-a5ff-4315-98a0-3935315add7f/sepakololupekikolabidovi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e8288f8-683c-48bd-87d1-02359cb80613/posaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0e28c94-39d0-46bd-bb59-d7a0c36d563c/kifaxubotil.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 extracted file (font_00_sfnt_off00005d33.bin)

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