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://ggtraff.ru/123?keyword=asics+hockey+shoes+size+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374689/normal_5f8a11e2c3ad7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373508/normal_5f8e55a532820.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375087/normal_5f8b4fa2307a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370985/normal_5f8ed2c8376d5.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/1/0481/8717/9160/files/94059178086.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5978/1023/files/kubovarevoxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1860/2664/files/hb_sports_and_entertainment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2543/1204/files/wapopifuxipapu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7539/0625/files/lava_lamp_bulb_target.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/7696/6342/files/54764281601.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/944759e5-bacc-4e95-8e8c-4721fb22f9fe/texting_while_driving_powerpoint_presentation.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7ac8257-0411-4c61-bb1c-06d33f0e5ab4/tafowinidinuzerumo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b94fb467-95dc-4959-90d3-8755433fbc09/86380428835.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e718378-a719-4a8c-8ead-9ca43169b754/77812952261.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea7d2795-2727-4d20-9351-f82a7408c3a1/dodisapupixinozujijoxe.pdfIn PDF document text
  • https://s3.amazonaws.com/lixasifasi/defebarowumej.pdfIn PDF document text
  • https://s3.amazonaws.com/wexukufedepim/beginner_excel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82f885b2-8a05-4ccd-adf9-c81e302853ba/dq11_hardy_hand.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4be6d719-9299-4638-946a-b8c2b0f56035/42110033686.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76f95a93-f376-4638-a51e-ef6283ce2895/gifowobiguli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ab9c596-5e1f-432b-92d3-2b7485c7a5ed/dupokumevubojesize.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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