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://cctraff.ru/123?keyword=mushroom+revolution+unblocked In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366993/normal_5f895a99c7e87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378410/normal_5f8e678b84455.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371783/normal_5f88f2a7289ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366371/normal_5f872ea884df6.pdfIn PDF document text
  • https://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/3720781.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/c86f9b787a9.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/7d7b6617ab8.pdfIn PDF document text
  • https://rivatuvimib.weebly.com/uploads/1/3/4/4/134469475/2f6f589f.pdfIn PDF document text
  • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/kojetisisadi_bipuvosol.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005234.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005234.bin)
  • https://s3.amazonaws.com/suximawo/sindrome_de_burnout_oms.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/sda_church_heritage.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/83232143264.pdfIn PDF document text
  • https://s3.amazonaws.com/mizeteb/39593021015.pdfIn PDF document text
  • https://s3.amazonaws.com/vogubivajavofu/fufaxemevapivix.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0159/3502/files/prevencion_del_alcoholismo_en_adolescentes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3683/3954/files/joe_moakley_park_beach.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/4080/2469/files/identidades_trigonometricas_formulario_calculo_integral.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61b511a9-5eef-475e-b212-07b0f77e7af1/nuxapobimak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6064c58f-48c5-414c-889e-ac4729c1008f/96337218899.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e16c9004-3e57-49f8-b972-9b0552ceb08b/62138669003.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f10fd676-c077-42e1-b415-d5e5e8ae1edb/xaferejokelaxepab.pdfIn PDF document text
  • https://s3.amazonaws.com/petikamov/arapa_kelimeler_ve_anlamlar.pdfIn PDF document text
  • https://s3.amazonaws.com/xefejevife/everyone_s_guide_to_the_south_african_economy.pdfIn PDF document text
  • https://s3.amazonaws.com/rozebofukixus/hydralazine_davis.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/58724072250.pdfIn PDF document text
  • https://s3.amazonaws.com/forupokisip/51878772353.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_off00005234.bin)

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