Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://traffine.ru/123?keyword=hyunglae+lee+asu In PDF document text

  • https://cdn-cms.f-static.net/uploads/4412902/normal_5fa41fba2e541.pdfIn PDF document text
  • https://xepebujusu.weebly.com/uploads/1/3/4/3/134319702/retebibosopoteg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415308/normal_5fa384ff76446.pdfIn PDF document text
  • https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/9868142.pdfIn PDF document text
  • https://zojokoladateru.weebly.com/uploads/1/3/4/4/134497877/6fab61a7056.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406216/normal_5fa0f75c91186.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371787/normal_5f94d1a8891ae.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/jesidofefe/sao_ep_1_eng_dub.pdfIn PDF document text
  • https://s3.amazonaws.com/rorives/the_lotto_black_book.pdfIn PDF document text
  • https://s3.amazonaws.com/farezelof/arc_length_calculator_3d.pdfIn PDF document text
  • https://s3.amazonaws.com/kexamoxusinixu/mosetivutedawesoliva.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/allen_test_series_quora.pdfIn PDF document text
  • https://s3.amazonaws.com/piwanisaj/spatial_processing_definition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ab236e4-719d-4c24-930e-ec6eb6d21e54/circle_theorem.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/binomial_theorem_worksheet_with_answers.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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