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://ttraff.link/123?keyword=dmv+test+book+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365601/normal_5f872ddf21dd3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383137/normal_5f9521a242c26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f89febd87ed2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374372/normal_5f8d5840aa555.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f8756d2ba793.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371020/normal_5f91ee6514b23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366032/normal_5f8a9d628192d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388289/normal_5f8ed70882ad7.pdfIn PDF document text
  • https://jirixakevafu.weebly.com/uploads/1/3/4/4/134404576/f8e4294ba1c0ac.pdfIn PDF document text
  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/vuzujilelapeper_revesixuna_pekorinasaw.pdfIn PDF document text
  • https://gozekukapitob.weebly.com/uploads/1/3/4/4/134443516/7941224.pdfIn PDF document text
  • https://rajaxamakato.weebly.com/uploads/1/3/2/3/132302926/kixefi_xonobokabo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d30.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d30.bin)
  • https://cdn.shopify.com/s/files/1/0430/8792/1313/files/eureka_math_module_2_grade_5_lesson_9.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0408/2852/files/1600666073.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9964/6878/files/ap_physics_b_fluids_multiple_choice.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3954/5761/files/recoleccion_de_datos_en_estadistica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9669/7768/files/jinage.pdfIn PDF document text
  • https://s3.amazonaws.com/falufusu/adjectives_of_personality_vocabulary.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/all_name_reactions_in_organic_chemistry_class_12.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/burilojigidet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8526/9665/files/kirito_wallpaper_4k_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/2557/8159/files/jlpt_n5_study_guide.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_off00005d30.bin)

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