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/pify?keyword=things+that+start+with+e+for+kindergarten In PDF document text

  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/e86192b824.pdfIn PDF document text
  • https://nurekagenarufab.weebly.com/uploads/1/3/1/6/131636906/lakopapinigilobu.pdfIn PDF document text
  • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/zuzobokodetaxuj.pdfIn PDF document text
  • https://sosegesidor.weebly.com/uploads/1/3/4/4/134465043/2332153.pdfIn PDF document text
  • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/c8a358dd5c9b.pdfIn PDF document text
  • https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/ef3e31983a1.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a66.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a66.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000bb6f.bin)
  • https://s3.amazonaws.com/retisovojor/kolay_almanca_renme.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/abbreviations_list_for_competitive_exams.pdfIn PDF document text
  • https://s3.amazonaws.com/xidulumexi/29243292219.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c59fd666-273d-414d-8461-3200b3e8c9d9/74562527024.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55b78426-b056-4abe-aab6-f1471a7c251f/utopia_for_realists.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/bihar_si_question_paper_2018_download.pdfIn PDF document text
  • https://s3.amazonaws.com/mefovu/calistenia_ejercicios.pdfIn PDF document text
  • https://s3.amazonaws.com/zufojadibi/3030296728.pdfIn PDF document text
  • https://s3.amazonaws.com/wazorixekunafob/superhero_bulking_program_free.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/download_cecil_medicine.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48692836-8b2c-4bac-825d-82303319e65b/45221165103.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c014a045-7f8c-4c1c-beeb-047a55501e8e/tableau_de_conversion_kg_en_newton.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_off00007a66.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off00008b7a.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off00008b7a.bin)

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