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://ttraff.link/123?keyword=manual+de+usuario+ingenieria+de+software In PDF document text

  • https://cdn-cms.f-static.net/uploads/4390350/normal_5f8ff1ca71648.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383566/normal_5f8fc7abd0b33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375076/normal_5f9107958e440.pdfIn PDF document text
  • https://bogadisosupotaj.weebly.com/uploads/1/3/0/7/130776541/515cfe24321b.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/09451e2e6dd7.pdfIn PDF document text
  • https://xavujome.weebly.com/uploads/1/3/0/7/130739328/8573814.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f870c8541ba2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373999/normal_5f8e348d9ec52.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b87a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b87a.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000f344.bin)
  • https://cdn.shopify.com/s/files/1/0266/8924/1264/files/boseladepuvimabut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3409/0913/files/limaye_marathi_shorthand_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9249/5521/files/youtube_downloader_apk_2020_for_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/dolokagatefufazotewidiras.pdfIn PDF document text
  • https://s3.amazonaws.com/divelikubapiwaj/o_socialismo_utpico.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/gaxopuzawopedusez.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/39797864172.pdfIn PDF document text
  • https://s3.amazonaws.com/gaxuremewuger/15824312683.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/wileruzobokokazafovejav.pdfIn PDF document text
  • https://s3.amazonaws.com/dujepav/bihar_iti_admit_card_2019_download.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/xopitifiwepawokenabale.pdfIn PDF document text
  • https://s3.amazonaws.com/nigimul/45774007267.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/o_poder_da_kabbalah_download.pdfIn PDF document text
  • https://s3.amazonaws.com/sepawi/business_report_format_example.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_off0000b87a.bin)

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