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=romeo+and+juliet+act+2+worksheet+pdf In PDF document text

  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/digokasawuj-jipamuputevuf.pdfIn PDF document text
  • https://bebamewikirebu.weebly.com/uploads/1/3/0/8/130874540/zelujimonanit.pdfIn PDF document text
  • https://xepebujusu.weebly.com/uploads/1/3/4/3/134319702/xobunafabaxoradabaz.pdfIn PDF document text
  • https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/80435833fc6.pdfIn PDF document text
  • https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/simifaxiwifugam.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383797/normal_5f90e7fff3a71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378641/normal_5f8e224d2f2a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384152/normal_5f927635c0dcf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f87271aceb67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380392/normal_5f9215b314cdb.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006512.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006512.bin)
  • https://cdn.shopify.com/s/files/1/0432/1342/2753/files/lesinirito.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3631/8616/files/lilututasenamekidaze.pdfIn PDF document text
  • https://s3.amazonaws.com/somamere/bhutan_map.pdfIn PDF document text
  • https://s3.amazonaws.com/ninazarila/54211731121.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5418/6146/files/64875301930.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0821/1116/files/91805236989.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9212/2527/files/samsung_galaxy_tab_sm-t350_firmware.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/6998/9573/files/worksheets_on_homonyms_homophones_and_homographs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5839/5843/files/wifi_file_share_pro_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2917/5704/files/carmilla_le_fanu_italiano.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_off00006512.bin)

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