Malicious PDF — malware analysis report

Heuristics 4

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/aws?keyword=1040+2020+guide PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4377925/normal_5f8b53a39c6ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383929/normal_5f90c9d8ec006.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403127/normal_5f91e919417cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373261/normal_5f8bcd55dc340.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410679/normal_5f98028ed4649.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366055/normal_5f8bf4488581c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/55235344-7cd4-4d84-98da-a377c11a6a24/ffa_2007_indir_gezginler.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a651f0a-fc53-4f40-a340-f0ab4b9a4051/91377094412.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d50e2bb-fbf2-468c-90b1-0863648ba754/42382959184.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3667d366-b846-4f54-b33a-e5587bca0513/jesibureta.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ba7fca8-de49-4bcd-963c-a5bc26d840d8/cachet_cbd_oil_750_mg_bottle_label.pdfIn PDF document text
  • https://fidunonip.files.wordpress.com/2020/11/madelizopididam.pdfIn PDF document text
  • https://s3.amazonaws.com/potofaw/95957015089.pdfIn PDF document text
  • https://s3.amazonaws.com/wipotegadodorek/ca_final_centre_wise_result_may_2018.pdfIn PDF document text
  • https://wepigun.files.wordpress.com/2020/11/78627158457.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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