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://ttraff.me/123?keyword=adjectives+worksheet+for+esl In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374852/normal_5f90152978af2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382192/normal_5f991756e59d2.pdfIn PDF document text
  • https://folemazilepi.weebly.com/uploads/1/3/1/1/131164248/9054575.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365612/normal_5f92063597d4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405414/normal_5f9baa611d1d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381752/normal_5f8dfce232415.pdfIn PDF document text
  • https://zalawevovupat.weebly.com/uploads/1/3/0/9/130969727/7153082.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7324/7650/files/songify_app_for_android_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/black_codes_and_jim_crow_laws.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/7877/0848/files/84530378131.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be727597-6618-4727-ba16-ba0180c077b3/96435801878.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7855/2218/files/norman_lewis_word_power.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6135/3889/files/gulf_of_riga_ck2.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/sub_inspector_syllabus_2020.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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