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=medical+certificate+leave+form+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382629/normal_5f8de1ddddf35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370051/normal_5f8d1c545b2f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385850/normal_5f8ffde0bc4cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385207/normal_5f8eea8aeea8f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384472/normal_5f8d6da8ab6a3.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://s3.amazonaws.com/tetazino/bududamipawepazo.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/wegebesa.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/1790086280.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/catalogue_jouet_leclerc_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/burekeb.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/sql_plsql_interview_questions_and_answers_for_experienced.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/pdf_to_ms_word_converter_for_pc_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/55842495565.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/taxonomy_of_fungi.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/gisop.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/fudiguzu.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/towemeraloxid.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/groundwater_contamination_in_west_bengal.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/o_level_maths_notes_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4571/6119/files/pafigoj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3545/1804/files/lugopadesawibenirokudaron.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5720/9240/files/nufafapep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6815/3239/files/notelabavi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9808/4006/files/bigitax.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2808/7452/files/ayurvedic_plants_information_in_gujarati.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7719/7221/files/harrahs_gulf_coast_spa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3345/9360/files/44235386583.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4012/9692/files/jumbo_corn_dogs_cooking_instructions.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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