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=lazarillo+de+tormes+tratado+3+y+4+resumen In PDF document text

  • https://cdn-cms.f-static.net/uploads/4381759/normal_5f9161600178a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f86f84a2724d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384851/normal_5f90f0d360fb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366340/normal_5f87503b6dda0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385635/normal_5f8e9f472c1d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f87031f470b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374360/normal_5f8eb7361ca8f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407818/normal_5f9799ff9bb45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f86fa21dcd63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368991/normal_5f8fe203c698c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000078ad.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000078ad.bin)
  • https://s3.amazonaws.com/lewuli/bestiario_2_pathfinder.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/australia_map_template.pdfIn PDF document text
  • https://s3.amazonaws.com/muwemivumazulax/como_aprendemos_a_leer_wolf.pdfIn PDF document text
  • https://s3.amazonaws.com/widofafane/aula_de_espanhol_basico.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/stay_hungry_stay_foolish_steve_jobs_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17878b15-ce38-4222-9f8c-b1816dd01827/62614248767.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03bcd294-70a2-4ca3-8825-cd0ca206abf7/71851301397.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/162d9331-c3c8-4378-8dea-5623683bfc24/1392241596.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2192/5543/files/29806732935.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9619/5737/files/63423981685.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1602/7797/files/billionaire_romance_books_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6510/6847/files/ozark_trail_led_rechargeable_lantern_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8697/7441/files/definicion_de_derecho_internacional_publico.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/8974/1974/files/bozigoxek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6474/1026/files/quimica_basica_di_risio_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0507/1562/3584/files/descargar_face_in_hole_premium_apk.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_off000078ad.bin)

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