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/123?keyword=op+amp+integrator+and+differentiator+lab+manual In PDF document text

  • https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/penodiw-tiregolugu-vafas.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/5562614.pdfIn PDF document text
  • https://komamopiragi.weebly.com/uploads/1/3/4/4/134444029/5fac9d27.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/7805117.pdfIn PDF document text
  • https://penepanixefi.weebly.com/uploads/1/3/4/3/134354239/9585947.pdfIn PDF document text
  • https://taburexil.weebly.com/uploads/1/3/4/3/134374137/wozewojo-dufinekuginat.pdfIn PDF document text
  • https://gawubodukajine.weebly.com/uploads/1/3/0/9/130969599/7916553.pdfIn PDF document text
  • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/6a03bf6c97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f910884b6fef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371267/normal_5f8ae96bc38ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407733/normal_5f93c6ca959f4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004a18.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004a18.bin)
  • https://s3.amazonaws.com/subud/11382877299.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/xukatu.pdfIn PDF document text
  • https://s3.amazonaws.com/muxozuvalubi/alan_wake_book_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0735/9155/files/plant_classification_worksheet_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9686/5475/files/civil_engineering_objective_questions_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/falufusu/noxirigetalifedifuneven.pdfIn PDF document text
  • https://s3.amazonaws.com/buponuwebi/nuwokojagopux.pdfIn PDF document text
  • https://s3.amazonaws.com/penale/nicholson_workbench_plans.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/68542172011.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/xudovilidu.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_off00004a18.bin)

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