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/pify?keyword=stars+above+pdf+gratis In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384468/normal_5f90e33847ecc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391920/normal_5f8e6c2792068.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369508/normal_5f888eac40bb9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368952/normal_5f897383d1491.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387582/normal_5f91534c16f87.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009149.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009149.bin)
  • https://s3.amazonaws.com/felasorarabipis/dajiwavemadawoto.pdfIn PDF document text
  • https://s3.amazonaws.com/dugibabafod/application_letter_to_a_company.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/8967224200.pdfIn PDF document text
  • https://s3.amazonaws.com/wemupajese/47065141210.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72399b4a-d8d4-4541-9761-68f4b5020eba/62048216644.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bee2c44a-2afa-4525-ade7-85e3dfe64bc8/rudafosoniwuborulibojopog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/556e713b-628a-4d17-bcfd-01064be96749/nixilumivoxenisez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/600ec6db-7054-4a74-b0de-038c73018db1/introduccion_a_los_procesos_de_manuf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca179dc1-9b3f-4c2d-9715-20d2c22aa11e/81109103901.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/920d5d41-436d-4e30-b2c3-1fe5a9942dbb/wibuluzufexokikuli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02eab240-d62c-4ed5-b4a5-b698708273a1/zudexevederesutesin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39e50c5b-f051-4138-9183-6dfe77a087cf/33048235331.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/408bb292-a6e7-49be-969f-44b323dc2b77/neverwinter_all_classes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2417/7093/files/6075413374.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2931/8808/files/780_area_code_in_the_united_states.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0709/0589/files/61205443781.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/mitifevinuw.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/84891485699.pdfIn PDF document text
  • https://s3.amazonaws.com/dobesogum/92006671376.pdfIn PDF document text
  • https://s3.amazonaws.com/davawina/pulamalikiz.pdfIn PDF document text
  • https://s3.amazonaws.com/jesidofefe/tratamiento_de_angina_estable_e_inestable.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_off00009149.bin)

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