Malicious PDF — malware analysis report

Heuristics 6

• 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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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/123?keyword=the+story+of+o+movie+english+version In PDF document text

  • https://cdn-cms.f-static.net/uploads/4384029/normal_5f8d68510bf1f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371010/normal_5f906d5d6579a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391315/normal_5f8e86e347726.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368238/normal_5f8974a7637b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366982/normal_5f8d37ee2ba7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370285/normal_5f888e31644c1.pdfIn PDF document text
  • https://s3.amazonaws.com/jarawaxanivu/hanuman_chalisa_telugu_book.pdfIn PDF document text
  • https://s3.amazonaws.com/jixerubowi/computer_all_full_form_file_download.pdfIn PDF document text
  • https://s3.amazonaws.com/wupiwupiwot/minority_scholarship_offline_form.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/partition_piano_amelie_poulain_comptine_d_un_autre_t.pdfIn PDF document text
  • https://s3.amazonaws.com/vavale/amaurose_fugace.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375075/normal_5f949a3eb1073.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391903/normal_5f912cf7dcd6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380088/normal_5f8b12fb5603f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b3c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b3c.bin)
  • https://uploads.strikinglycdn.com/files/018661db-3729-4937-9481-f53b5037cc70/qvd_leitor_de_arquivo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/8145/8598/files/beowulf_literary_analysis_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0159/3502/files/fear_the_darkness_team_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1268/4967/files/flour_water_salt_yeast_overnight_pizza_dough.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_off00006b3c.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a311.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a311.bin)

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