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/strik?keyword=convert+png+to+android+icon+online In PDF document text

  • https://site-1037886.mozfiles.com/files/1037886/kixixatunedakopejol.pdfIn PDF document text
  • https://site-1038882.mozfiles.com/files/1038882/2281589862.pdfIn PDF document text
  • https://site-1043620.mozfiles.com/files/1043620/18350818836.pdfIn PDF document text
  • https://site-1037101.mozfiles.com/files/1037101/zufufokowas.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007b40.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007b40.bin)
  • https://cdn.shopify.com/s/files/1/0483/5252/6489/files/49229068451.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5973/0839/files/i_be_flossin_meme.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4134/4666/files/82175505044.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1628/0475/files/design_is_intelligence_made_visible_alina_wheeler.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8715/9190/files/baby_cradle_plans_rockler.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5423/8369/files/registro_civil_chile_contacto.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/9837/3013/files/ios_mod_apk_store.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d2c8f5b-f066-4939-a1c7-e5956e9308df/zidelapudabejavapiro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4560d20-fd2e-48ce-804c-3f0fb09fdd98/36071735903.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04cd7171-3ea9-40c8-9f47-c97061e39c1f/nijowixemelojapobuxadijuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48673431-57aa-4bdd-9e44-1f4ed3cfbb64/vobufituxaxijijozoza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5de0230-95e8-473d-ba7a-860aaf07cc5d/27960732209.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_off00007b40.bin)

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