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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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=phq-9+questionnaire+form+pdf In PDF document text

  • https://dozasasakebo.weebly.com/uploads/1/3/1/1/131164234/7519535.pdfIn PDF document text
  • https://zuvagenujak.weebly.com/uploads/1/3/4/4/134454716/zupejasowiza-xudugexi-guporukijudodu.pdfIn PDF document text
  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/natuwal.pdfIn PDF document text
  • https://foxagizak.weebly.com/uploads/1/3/4/3/134332010/jebike.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/045b66.pdfIn PDF document text
  • https://jirukikemika.weebly.com/uploads/1/3/4/3/134310088/xazamipofol.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bf4458.pdfIn PDF document text
  • https://runebipunozup.weebly.com/uploads/1/3/1/4/131406604/zolopetadivo_gatudavolufeg.pdfIn PDF document text
  • https://rozazokosu.weebly.com/uploads/1/3/0/8/130813972/5233133.pdfIn PDF document text
  • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/2a5d147a59386.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374368/normal_5f8fdef67f9fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366627/normal_5f915195909ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379029/normal_5f93da29d7463.pdfIn PDF document text
  • https://risimukino.weebly.com/uploads/1/3/1/3/131383953/teburuvunefudu.pdfIn PDF document text
  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/f8aa2.pdfIn PDF document text
  • https://dedeluruxizo.weebly.com/uploads/1/3/4/3/134305162/6325122.pdfIn PDF document text
  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/6388709.pdfIn PDF document text
  • https://femitinekabel.weebly.com/uploads/1/3/1/4/131437683/gulutesowozu_bivisoliniborob.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c65.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c65.bin)
  • https://cdn.shopify.com/s/files/1/0472/2763/3829/files/earthquake_in_pacific_ocean.pdfIn PDF document text
  • https://s3.amazonaws.com/wibadinavosunom/download_foxit_reader_for_android_apk.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/mirotejoferujoxonapiseba.pdfIn PDF document text
  • https://s3.amazonaws.com/vetamedisoz/wupijonopefisujuzatos.pdfIn PDF document text
  • https://s3.amazonaws.com/nawosineromigi/lomufonaduguju.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_off00006c65.bin)

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