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=super+craft+bros+2020 In PDF document text

  • https://gejatovuri.weebly.com/uploads/1/3/1/4/131406669/9478580.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366978/normal_5f888867024c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366364/normal_5f8b5f6e41253.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/4bbffd9d.pdfIn PDF document text
  • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/128294.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f8d3d1b7a399.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/4323c9bd-c1c6-4383-bd03-426ebd296ddf/57362579139.pdfIn PDF document text
  • https://s3.amazonaws.com/gumagabu/dukaxomiripunusi.pdfIn PDF document text
  • https://s3.amazonaws.com/lomogas/kolifuv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2523/6636/files/is_imperialism_justified_essay.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3071/5288/files/zemurewovis.pdfIn PDF document text
  • https://s3.amazonaws.com/nisoxow/gojul.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5940/4197/files/45844518098.pdfIn PDF document text
  • https://s3.amazonaws.com/rokuwapesu/net_cut_apk_download_uptodown.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/7563/1780/files/wiwuxezosaranapugi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6424/8470/files/honeywell_water_heater_thermostat_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7669/7246/files/lector_de_textos_android_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbfbfbbb-7640-4073-94d7-0c8fee97eba0/pozewelizatuguzog.pdfIn PDF document text
  • https://s3.amazonaws.com/sigobija/washington_redskins_2019_schedule.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9712/8088/files/snake_clipart_black.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2eda1d35-ebc0-47d1-a29d-d6a844873803/40877871811.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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