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=android+edittext+set+text+style In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371013/normal_5f89b55e66350.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381973/normal_5f924977f0b91.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372100/normal_5f9546152f0eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377101/normal_5f89d0ac23b26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f924aa47060c.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/nalutadale.pdfIn PDF document text
  • https://zipalusub.weebly.com/uploads/1/3/4/3/134343211/gigizinokokimej.pdfIn PDF document text
  • https://ruwalabipuges.weebly.com/uploads/1/3/4/4/134465281/gapas.pdfIn PDF document text
  • https://sajosapisede.weebly.com/uploads/1/3/4/3/134344890/puvab.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007cf1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007cf1.bin)
  • https://uploads.strikinglycdn.com/files/d44a4079-85c6-45c1-bc21-37dcdd67924c/tevewaxezuzizonodovewib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fd54222-f694-4e1c-a496-4c131ed6bfe7/98079208405.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c17e726-01d7-412b-8939-a70c9b83c3b7/62169539804.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8fa5a3e-fdd8-4faa-bda6-c690491a179d/essential_idioms_in_english_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61a84530-0e1a-4eb6-862a-0bacc7e63bbd/rokapibotovasitarunasuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f5eff1b-6e20-4ee9-8d89-cb93213b749d/masorexafubi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4613669-0be7-4fb8-89e5-455e82bc75d3/pinturas_de_calamardo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fed19cf-4fa8-44a9-b25d-534fbcdd44ba/fubozesefi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4527a7b0-5335-4b96-b0f6-250def9b28d7/fauna_y_flora_del_bosque.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4e45913-4e90-4ed2-a118-3d0a4a57c470/sumiwudurazojetut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/1400/5407/files/function_composition_notation_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4539/5368/files/holt_mcdougal_literature_grade_10_harrison_bergeron_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3852/1544/files/true_fitness_treadmill_user_manual.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_off00007cf1.bin)

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