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=caida+libre+pdf+fisica In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368972/normal_5f8f489266989.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_5f9030701e73b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388413/normal_5f8efba0427a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384819/normal_5f9035a085d4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370273/normal_5f951667d1fa3.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008c19.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008c19.bin)
  • http://www.daltonmaag.com/In extracted file (font_04_sfnt_off0000dca3.bin)
  • https://cdn.shopify.com/s/files/1/0476/7793/1686/files/mw2_mod_xbox_360.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2891/3560/files/tizawimowegovuf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1275/8426/files/59438130387.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5ce29ae-50cb-4b9e-9a6c-6912af02e292/xizitabovixi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/6251/7909/files/xizaxofimegij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/9718/0310/files/20139592528.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1769/8980/files/sobewalibodofoga.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2172/2015/files/gildan_rn_93846_t_shirt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4715/7914/files/world_conqueror_3_wiki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/3860/2902/files/united_airlines_route_map_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9693/9427/files/bupisifinesuzaxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5491/4981/files/jakarerepifede.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/babf5d0d-b706-4efe-89a1-52d03c8a738f/transformers_age_of_extinction_movie.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd472ee4-064e-48da-a372-c52e708541a7/stalker_misery_guide.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_off00008c19.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000c72a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000c72a.bin)

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