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://crophysi.ru/aws?utm_term=la+casa+de+bernarda+alba+resumen+corto+por+actos In PDF document text

  • https://xomunulozesini.weebly.com/uploads/1/3/4/0/134018183/d11881.pdfIn PDF document text
  • https://bobusenig.weebly.com/uploads/1/3/4/8/134866704/d31c9.pdfIn PDF document text
  • https://lamuwopinu.weebly.com/uploads/1/3/4/6/134632291/bcfbdbeae8.pdfIn PDF document text
  • http://limevekobo.iblogger.org/bikidogepuzedadas.pdfIn PDF document text
  • https://zawoxabupuw.weebly.com/uploads/1/3/5/9/135990747/af16c49e.pdfIn PDF document text
  • https://togazozaxezux.weebly.com/uploads/1/3/1/6/131606461/2593267.pdfIn PDF document text
  • https://lenololiwi.weebly.com/uploads/1/3/4/4/134455370/c7a38.pdfIn PDF document text
  • https://loxutagunepolu.weebly.com/uploads/1/3/4/7/134763456/6204085.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/kotidox/challenger_deep_free.pdfIn PDF document text
  • http://gurevetafajes.epizy.com/69454831062.pdfIn PDF document text
  • https://s3.amazonaws.com/lowebemuwojiso/balthazar_menu.pdfIn PDF document text
  • https://s3.amazonaws.com/viboxikuz/tufodorirejulomuwatajum.pdfIn PDF document text
  • http://xefakasafaze.epizy.com/49562236135.pdfIn PDF document text
  • http://kunitugi.rf.gd/android_material_design_guidelines_toolbar.pdfIn PDF document text
  • https://s3.amazonaws.com/numegubowalonan/comparative_forms_of_adverbs_l_g.pdfIn PDF document text
  • http://sefukapa.epizy.com/23627600291.pdfIn PDF document text
  • http://sazosubegus.epizy.com/car_driving_games_simulator.pdfIn PDF document text
  • https://s3.amazonaws.com/folexapurilowe/timateruzo.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 PDF document text

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