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://ggtraff.ru/aws?keyword=tratado+de+paris+2016+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f894d49a8510.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368238/normal_5f8d475ac2751.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369760/normal_5f908370d9b22.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367278/normal_5f8c3c882fba1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f8a165514a71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391620/normal_5f916fec9c97b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373505/normal_5f89728449abc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379852/normal_5f8ceb3e1d5df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369329/normal_5f8e265f00041.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
  • https://cdn.shopify.com/s/files/1/0483/0540/6115/files/chinese_consonants_and_vowels.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2510/3549/files/99490408734.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5017/5126/files/49652701292.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1239/0038/files/38412392561.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9699/0115/files/resumen_segunda_guerra_mundial_4_eso.pdfIn PDF document text
  • https://s3.amazonaws.com/vavebufevodutob/aieee_2010_physics_solutions.pdfIn PDF document text
  • https://s3.amazonaws.com/xifabilejilab/the_adventures_of_tom_sawyer_book.pdfIn PDF document text
  • https://s3.amazonaws.com/purawuma/xaziwimelure.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/nafedofeg.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/7403078407.pdfIn PDF document text
  • https://s3.amazonaws.com/gujutavevive/mm_to_cm_conversion_chart.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/accounting_ledger_paper.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/prokaryotic_cell_parts_and_functions.pdfIn PDF document text
  • https://s3.amazonaws.com/mamibis/oxford_picture_dictionary_english_italian.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/tefamugulalepojizetaluwis.pdfIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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