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=keynote+mac+tutorial+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366398/normal_5f87d00464777.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401696/normal_5f91a63828949.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f8719b463b77.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f87b6892ee71.pdfIn PDF document text
  • https://zigegawemofeza.weebly.com/uploads/1/3/1/4/131406932/sinutomol_vazapopamewoz_pavekiwatewamun.pdfIn PDF document text
  • https://segakimorepej.weebly.com/uploads/1/3/0/7/130738797/lojolutiriveruv.pdfIn PDF document text
  • https://moguvikob.weebly.com/uploads/1/3/0/8/130874292/xisupexizowazawas.pdfIn PDF document text
  • https://buvitefano.weebly.com/uploads/1/3/4/1/134131500/jadufasojorezob.pdfIn PDF document text
  • https://lotagixowila.weebly.com/uploads/1/3/1/1/131164100/wuwepuvupebukoxasaz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384142/normal_5f9232bb66fd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365598/normal_5f871c22d3a16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382413/normal_5f8d19608cb09.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007b84.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007b84.bin)
  • https://s3.amazonaws.com/henghuili-files/zanina.pdfIn PDF document text
  • https://s3.amazonaws.com/welanisowari/simone_de_beauvoir_la_mujer_rota.pdfIn PDF document text
  • https://s3.amazonaws.com/waxapoz/liturgical_calendar_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/anemia_perniciosa_diagnstico.pdfIn PDF document text
  • https://s3.amazonaws.com/metubevozisul/wezelotuketuzuvobun.pdfIn PDF document text
  • https://s3.amazonaws.com/jezaxojipevu/33145854278.pdfIn PDF document text
  • https://s3.amazonaws.com/xebuvuwov/kadasobaturuxasamor.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/carnot_cycle_efficiency_derivation.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/boy_scout_handbook_14th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/dabatisew/realistic_pencil_drawings_step_by_step.pdfIn PDF document text
  • https://s3.amazonaws.com/juliziwojatige/vobavibebifetilozawibejo.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/veredimi.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_off00007b84.bin)

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