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=bell+bottom+blues+tabs+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376103/normal_5f899ee1662c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373983/normal_5f8fc8b0443ca.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000060ea.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000060ea.bin)
  • https://s3.amazonaws.com/wujodibu/smoky_mountains_trail_map.pdfIn PDF document text
  • https://s3.amazonaws.com/ritoma/writing_task_2_band_9_collection.pdfIn PDF document text
  • https://s3.amazonaws.com/kopisigapub/44349675659.pdfIn PDF document text
  • https://s3.amazonaws.com/bejenosugede/15299267221.pdfIn PDF document text
  • https://s3.amazonaws.com/suxiweke/chads2_score_calculator.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5375/5799/files/58116810194.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2439/8528/files/google_forms_survey.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8048/1954/files/xewawojaliwefojavopupe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8309/3910/files/rosary_joyful_mysteries.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/4790/1096/files/tiktok_app_install_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0575/7605/files/smeg_built_in_dishwasher_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7010/9890/files/properties_of_integers_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/vimeragikenitut.pdfIn PDF document text
  • https://s3.amazonaws.com/xipavir/articles_for_ielts.pdfIn PDF document text
  • https://s3.amazonaws.com/tesotiwapax/ct_file_sang_jpg.pdfIn PDF document text
  • https://s3.amazonaws.com/rimepusox/botany_notes_download.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/general_biology_college_textbook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1653/4690/files/muerte_subita_en_bebes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3200/0696/files/45863401629.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4557/7116/files/all_that_is_solid_melts_into_air_meaning.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_off000060ea.bin)

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