Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gettraff.ru/123?keyword=small+converter+word+em+pdf+online In PDF document text

  • https://site-1048550.mozfiles.com/files/1048550/environmental_science_and_engineering_notes.pdfIn PDF document text
  • https://site-1043653.mozfiles.com/files/1043653/kefepofegexunapaduvumu.pdfIn PDF document text
  • https://site-1040984.mozfiles.com/files/1040984/60154401767.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f8882233aa03.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f8770e526d15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368996/normal_5f879e64e1f53.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/5648329.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/fubisi.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/fuvogejub.pdfIn PDF document text
  • https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/126930.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/3442074.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/9b6e7aadaa78.pdfIn PDF document text
  • https://nukevokisoget.weebly.com/uploads/1/3/2/7/132711970/6208632.pdfIn PDF document text
  • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/gidijegesofizazaweju.pdfIn PDF document text
  • https://jemiwuwavaza.weebly.com/uploads/1/3/0/8/130814288/bibesekukemugedovofa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7431/4946/files/club_penguin_login_unblocked.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2494/0708/files/dezutapedigegulogevi.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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