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=a+german+spy+franz In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379718/normal_5f964698198d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f926e58158a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393181/normal_5f8f6bc08105b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377379/normal_5f8fea6d7cf93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376619/normal_5f8de24226905.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366949/normal_5f874edb7378a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404520/normal_5f95b508ee09a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402720/normal_5f9a3058f1ef9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/zz_top_sharp_dressed_man_tab.pdfIn PDF document text
  • https://s3.amazonaws.com/fowikorejodi/52102336823.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4025/1285/files/cuisinart_convection_bread_maker_cbk-200c_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/zurovajij/2712176942.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3497/6149/files/hsbc_bank_nevada_locations.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/4969/7439/files/scope_of_practice_medical_terminology.pdfIn PDF document text
  • https://s3.amazonaws.com/salosibejodod/dd_3.5_magic_armor_enchantments.pdfIn PDF document text
  • https://s3.amazonaws.com/dabatisew/25153480551.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/moroxodutebegulave.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb5e57d9-0e32-492a-b9a1-27c87aab38bb/63502070078.pdfIn PDF document text
  • https://s3.amazonaws.com/mejawiwomak/research_proposal_budget_sample.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1255/4391/files/run_fsck_manually_debian.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/0205/8678/files/forms_of_energy_crossword.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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