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://gettraff.ru/wb?keyword=libro%20tragicomedia%20mexicana%203%20pdf In PDF document text

  • https://s3.amazonaws.com/zurovajij/wadade.pdfIn PDF document text
  • https://s3.amazonaws.com/posufij/lusumikividakaleja.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372721/normal_5f89c319758dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410965/normal_5f974e80f1102.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367007/normal_5f893d1116901.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422884/normal_5f96f5a273ceb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369486/normal_5f8fff3bcdf78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372376/normal_5f8d33c2a1d98.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391047/normal_5f8f410816aab.pdfIn PDF document text
  • https://s3.amazonaws.com/zijivevip/optimism_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/fatisake/niklaus_wirth_data_structures_and_algorithms.pdfIn PDF document text
  • https://s3.amazonaws.com/bulikowexunepov/bcom_1st_year_books_in_hindi_download.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007ecc.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007ecc.bin)
  • https://cdn.shopify.com/s/files/1/0436/9950/3254/files/balancing_equations_worksheet_20_questions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8392/6171/files/banana_pancakes_chords.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8945/1927/files/pikamevokibi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/4080/2469/files/90581107420.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8240/6815/files/japanese_n4_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2006/6209/files/jezib.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4594/0128/files/summoners_war_mav_toa_runes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9952/3739/files/python_list_to_string_with_spaces.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_off00007ecc.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000b77f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000b77f.bin)

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