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/wb?keyword=calculator%20soup%20quadratic%20formula%20calculator In PDF document text

  • https://s3.amazonaws.com/tinajabizoreguf/the_little_old_lady_who_broke_all_the_rules_review.pdfIn PDF document text
  • https://s3.amazonaws.com/jeduzizonox/18_mbps_speed.pdfIn PDF document text
  • https://s3.amazonaws.com/suxiweke/farmers_market_charlotte_mi.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/electron_configuration_worksheet_middle_school.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/jeffrey_sachs_age_of_sustainable_development.pdfIn PDF document text
  • https://s3.amazonaws.com/begijufadi/4196207543.pdfIn PDF document text
  • https://s3.amazonaws.com/dozuga/download_youtube_videos_freemake.pdfIn PDF document text
  • https://s3.amazonaws.com/nemafu/not_my_best_side_figurative_language.pdfIn PDF document text
  • https://s3.amazonaws.com/wizuluworafid/formal_operational_thought_includes_which_of_the_following.pdfIn PDF document text
  • https://s3.amazonaws.com/wujapu/layers_of_the_abdominal_wall_surgery.pdfIn PDF document text
  • https://s3.amazonaws.com/gupisi/white_pages_ann_arbor_michigan.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008d5b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008d5b.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000f9ab.bin)
  • https://cdn.shopify.com/s/files/1/0501/0518/8515/files/arbor_day_tree_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0449/2438/files/mobile_phone_clip_art_images.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2238/4793/files/figop.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://dejavu.sourceforge.netIn extracted file (stream_005_off0000c680.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off0000c680.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00008d5b.bin)

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