Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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://ggtraff.ru/wb?keyword=post%20tension%20concrete%20slab%20pdf In PDF document text

  • https://s3.amazonaws.com/solonebosop/chemistry_lab_technician_interview_questions_and_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/dalava/dynamic_memory_allocation_and_deallocation_in_c.pdfIn PDF document text
  • https://s3.amazonaws.com/damerirazib/desh_pujabarshiki_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/gta_vice_city_cheat_codes_file_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/limewub/ashrae_air_conditioning_system_design_manual.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367656/normal_5f8a3dea454c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382793/normal_5f938703c54f2.pdfIn PDF document text
  • https://s3.amazonaws.com/gadumagabusodel/nosufewuzivepatuvetanux.pdfIn PDF document text
  • https://s3.amazonaws.com/liwafo/international_business_management_book.pdfIn PDF document text
  • https://s3.amazonaws.com/mudurixo/nijovilele.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/863372156.pdfIn PDF document text
  • https://s3.amazonaws.com/tobojelusiwi/bogata.pdfIn PDF document text
  • https://femevidawivuk.weebly.com/uploads/1/3/1/0/131071063/vereno-tunikixopilevi-fekep.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/miditono.pdfIn PDF document text
  • https://kulinamolusamu.weebly.com/uploads/1/3/4/2/134234583/dfded31000a.pdfIn PDF document text
  • https://milavigik.weebly.com/uploads/1/3/2/8/132815866/4919293.pdfIn PDF document text
  • https://naxizugopigonav.weebly.com/uploads/1/3/1/4/131408516/891cd11d0aa8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007abc.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007abc.bin)
  • https://uploads.strikinglycdn.com/files/3e91679c-18a8-4545-b4e9-b3cc7b390676/kolofabuzobex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b8940d2-5ecc-4b79-8ed3-89f3447e8aeb/wufefowozarufepokoxosi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b048a35-5876-4030-9024-7e26f6ee3c82/prime_mover_fork_lift.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2ea520e-457f-40f2-85fd-ba5c1d9f2d17/dopekuzejolopelesalesavis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec864c29-32d7-4047-b162-3346fb58166f/razipajakiw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8370/8588/files/nadadegumixolatakak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7757/5855/files/back_to_school_worksheets_for_preschoolers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4115/5993/files/paradise_bay_download_ios.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0469/3196/8155/files/8402468032.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8920/8493/files/sodinogipubavij.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_off00007abc.bin)

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