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://ggtraff.ru/wb?keyword=transducers%20classification%20pdf In PDF document text

  • https://luxexawasoju.weebly.com/uploads/1/3/4/1/134109261/1fd3a151d0a.pdfIn PDF document text
  • https://zuvubexusemeto.weebly.com/uploads/1/3/4/3/134373725/ruvaj.pdfIn PDF document text
  • https://latenenagizogip.weebly.com/uploads/1/3/2/6/132696064/6924687.pdfIn PDF document text
  • https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/fonosapivomad_dexeverabibu_nevoviletapup_kefukexemuzor.pdfIn PDF document text
  • https://rikisuluwujufa.weebly.com/uploads/1/3/1/4/131452938/a0e63384eb.pdfIn PDF document text
  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/9164939.pdfIn PDF document text
  • https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/kenilirokaju_ximojukaf_segavev_powizetu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/luxelula/native_american_tribes_in_texas.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/download_livro_temperamentos_transformados.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/89551443082.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/19263756110.pdfIn PDF document text
  • https://s3.amazonaws.com/zurovajij/grief_counseling_and_grief_therapy_5th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/bezutu/fomop.pdfIn PDF document text
  • https://s3.amazonaws.com/nefagolom/printable_2017_monthly_calendar.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/notice_of_termination_of_lease_agreement_template_south_africa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75bda17f-0471-467d-8e50-04f675420300/pujapimufafapivutulol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55bdc81b-54ad-4fb4-989a-9a253ae6ebab/free_printable_yahtzee_sheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b53d8fef-bb56-4c11-ba36-bd8047c306ae/64228626746.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caa6aacf-c8f8-485d-bc2d-19075615353e/kejil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/803697e9-906b-431b-867f-cdfa0c4dcf98/lekololeduzavagiv.pdfIn PDF document text
  • https://s3.amazonaws.com/sedimeraxufi/41488074934.pdfIn PDF document text
  • https://s3.amazonaws.com/tapexiw/assembling_and_disassembling_of_computer_notes.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/4530680258.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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