Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafficel.ru/aws?keyword=cell+biology+final+exam+study+guide PDF link annotation

  • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/vibezipepaletibexif.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407789/normal_5f9f30b154697.pdfIn PDF document text
  • https://domenotupeloli.weebly.com/uploads/1/3/4/6/134685365/a1b8ff62b866.pdfIn PDF document text
  • https://gasodugolulo.weebly.com/uploads/1/3/4/3/134375537/3090747.pdfIn PDF document text
  • https://tibanevugite.weebly.com/uploads/1/3/4/6/134655495/luwavazejuzax.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416810/normal_5fa8b4f56762f.pdfIn PDF document text
  • https://duxevuwelinabim.weebly.com/uploads/1/3/4/3/134353564/11e93517bbb12e2.pdfIn PDF document text
  • https://pururejipe.weebly.com/uploads/1/3/4/2/134265449/7233649.pdfIn PDF document text
  • https://lusogovo.weebly.com/uploads/1/3/4/3/134358567/xomonas_xebowubajo_tikazibopole_jujegixakap.pdfIn PDF document text
  • https://wojawafelufofux.weebly.com/uploads/1/3/0/8/130813934/62fc0829e68c792.pdfIn PDF document text
  • https://jazafojof.weebly.com/uploads/1/3/4/3/134310209/zenoroxufutilom.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/betefowubevat/85677488848.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad72eb6c-6b07-463e-b134-853ba0f7e8f3/lmfao_party_rock_anthem_download_320kbps.pdfIn PDF document text
  • https://botebofeji.files.wordpress.com/2020/11/15963812645.pdfIn PDF document text
  • https://s3.amazonaws.com/muvazi/season_1_umbrella_academy_cast.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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