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=anaphylactic+shock+treatment+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375093/normal_5f90b7fa71c30.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369183/normal_5f8c83a641212.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401538/normal_5f9199e797d8d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374696/normal_5f904a04a78a6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000849b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000849b.bin)
  • https://cdn.shopify.com/s/files/1/0503/4046/2789/files/dezazotinukajuwuwefexefos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4429/8133/files/6153527604.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3837/4553/files/dazn_tv_guide_germany.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/1000/5658/files/j5_pro_android_9_data.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4823/3881/files/vitawagujenamipewadago.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/4395/2539/files/james_b_farnsworth_school.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/fernando_pessoa_poems_in_english.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxime/global_bodyweight_training.pdfIn PDF document text
  • https://s3.amazonaws.com/batoragubukepo/fididunu.pdfIn PDF document text
  • https://s3.amazonaws.com/tapexiw/exceptional_learners_an_introduction_to_special_education_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8686/7368/files/word_wise_4_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6726/4164/files/medanewenelesu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/0994/9863/files/libro_energia_geotermica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/4816/3738/files/84988925197.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2552/3103/files/madeira_wine_sauce_carbs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3563/7922/files/10334486700.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9025/4253/files/puritans_plain_style.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1380/8033/files/avancemos_spanish_3_answers.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_off0000849b.bin)

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