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/123?keyword=libro+del+espiritismo+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368500/normal_5f87b1ae13926.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374185/normal_5f90795666473.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365549/normal_5f89e43a84663.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375890/normal_5f8c696248b49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387810/normal_5f8ee38419afe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379733/normal_5f907381ad45a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5269/9300/files/tavola_periodica_degli_elementi_spiegazione.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/0312/9252/files/dr._d_david_schultz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6982/3390/files/physics_circular_motion_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7149/9157/files/bridge_abutment_design.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/3568/6560/files/sapaguruvema.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6245/5191/files/lemon_jello_cake_recipe_poke.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1420/7134/files/badger_airbrush_compressor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6694/5447/files/progress_bar_in_fragment_android.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwawibu/arihant_ccc_book_download_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/articulos_cambio_climatico_actuales.pdfIn PDF document text
  • https://s3.amazonaws.com/ligole/ielts_speaking_topics_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/193823f3-5103-46ba-afb4-1719b59d1b63/69447164813.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e7ab60f-21e1-436b-8ccb-4389360ffd62/pijudi.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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