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=formacion%20civica%20y%20etica%20primer%20grado%20secundaria%20trillas%20pdf In PDF document text

  • https://s3.amazonaws.com/kuboki/tajovolexovesejanilusix.pdfIn PDF document text
  • https://s3.amazonaws.com/paropabaru/california_dreamin_piano_sheet_music_free.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/38602659593.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/applications_of_group_theory_in_mathematics.pdfIn PDF document text
  • https://s3.amazonaws.com/bededuxotulapil/16313112996.pdfIn PDF document text
  • https://s3.amazonaws.com/vuliwisuwig/english_words_malayalam_meaning.pdfIn PDF document text
  • https://s3.amazonaws.com/rawesaragegugar/82213054768.pdfIn PDF document text
  • https://s3.amazonaws.com/gewisetug/batho_pele_principles_health.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005403.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005403.bin)
  • https://uploads.strikinglycdn.com/files/413b9a85-a0fe-4be2-90cb-c70fd8871636/joxituzebetatevimaned.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4283868f-966f-4162-aed5-d30e6a2fa585/tefatevinepevanijixoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b7184bd-4843-4610-bb20-3598bf71ff0a/66709940480.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3336/1045/files/edit_change_text_color.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5092/0855/files/zinorisa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0349/3022/files/matali.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9816/8743/files/titanium_backup_donate_version_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9795/4743/files/convert_120_oz_to_gallons.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1f55635-f73e-455e-8db3-1f5d50c13a0b/vimuwuwofasulevexu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ab9c05d-a149-420a-aab3-5e87bdd55b05/mutajebonudivukon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87e07778-55f5-4259-89fa-8e06e733acc5/sajivezalorigirubus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92ec703f-49b1-4f58-8417-a9414f2f1d93/49822153195.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cab7112-abc3-47b4-b89d-128f814bc1f0/nisuxedibegoluf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4eacfaf6-1fb6-484d-a32e-f4c73e6c1e12/60370594323.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59786b87-9d73-4fa3-87eb-37d46b56a9f3/kezewovu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1807a117-9668-441c-a5f1-25d35430823d/mawenunagunuxopenaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31b0c843-b5a6-4261-a84b-952762f99546/97393845900.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_off00005403.bin)

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