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://cctraff.ru/aws?keyword=collagen+peptides+side+effects In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366987/normal_5f8b211f81361.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369784/normal_5f9a8efd0e954.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449775/normal_5fa1e598449af.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f58.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f58.bin)
  • https://uploads.strikinglycdn.com/files/bca0cc09-4bb9-4c34-8136-d20b0e4af308/peanuts_theme_song_sheet_music.pdfIn PDF document text
  • https://s3.amazonaws.com/bitizopovopaso/gelokajikev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5c7a018-e440-4642-b116-220c5ba01f09/54959672197.pdfIn PDF document text
  • https://s3.amazonaws.com/wanasuvedigo/best_homebrew_5e_races.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0f60a0d-c3af-46d9-aed3-ae8da4d948cb/75976800683.pdfIn PDF document text
  • https://s3.amazonaws.com/dejolavubukugeb/pandora_plus_mod_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a28716a-75fe-4345-9162-6419a8c69f93/what_factors_are_involved_in_the_separation_of_pigments.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61dbe980-55e8-42a4-888a-5899f491fc4b/1325204012.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a1d15c8-c870-4780-8d50-88d3227dcc56/razimolos.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_off00006f58.bin)

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