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.me/aws?keyword=shell+scripting+tutorial+point+pdf In PDF document text

  • https://jizonuwuko.weebly.com/uploads/1/3/0/8/130814311/lamid.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376600/normal_5f8fd1c0d1b54.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380525/normal_5f8ca01651cbd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368228/normal_5f876eb03287b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006499.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006499.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009e1d.bin)
  • https://uploads.strikinglycdn.com/files/995256d8-766d-4b38-87d9-1e82434cc99f/tiwimagowigixebavise.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f535833-9ce6-494d-a4f6-18481eb7e820/kifisimujoto.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3bf8828c-362d-47c8-b820-8149c4f58e38/ruta_critica_ejercicios_resueltos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f7c0496-cf70-4c9c-9885-3a04d8b3cac1/60526543644.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e70d35c9-4de8-4512-9240-32eac5e2e15a/tizulowojuli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/093a98fe-803d-4039-9bb1-dd1d99fa172d/94870489881.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5eb72272-e06b-448c-b1d6-99f8ea2a3810/18934645667.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/5148/7910/files/58709488358.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4324/4200/files/systems_of_equations_using_substitution_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6403/2925/files/bases_institucionais_do_presidencialismo_de_coalizo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9261/6390/files/congregacao_lageado_5_minutos_com_jesus.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/2018_calendar_with_holidays_india.pdfIn PDF document text
  • https://s3.amazonaws.com/gomakobez/64481741145.pdfIn PDF document text
  • https://s3.amazonaws.com/foneniz/marathi_bhakti_geet_lyrics.pdfIn PDF document text
  • https://s3.amazonaws.com/samopakamefap/49680921639.pdfIn PDF document text
  • https://s3.amazonaws.com/fikuvine/cassandra_clare_the_red_scrolls_of_magic.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_off00006499.bin)

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