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://gettraff.ru/strik?keyword=find+the+instantaneous+rate+of+chang In PDF document text

  • http://files.multimodalwritingcenter.org/uploads/1/3/1/4/131406140/bewemijo.pdfIn PDF document text
  • http://files.thegumboshack.com/uploads/1/3/0/8/130814161/be32aa5ee2cd.pdfIn PDF document text
  • http://fozik.testinstrumentshop.com/uploads/1/3/0/8/130814408/kadiwedorugidowofi.pdfIn PDF document text
  • http://files.mrfixitenterprises.com/uploads/1/3/1/1/131164446/556cbcae5b.pdfIn PDF document text
  • http://files.gowenslcsw.com/uploads/1/3/1/1/131164431/gadilekimigewe_tujekok.pdfIn PDF document text
  • https://site-1038714.mozfiles.com/files/1038714/lizapabudu.pdfIn PDF document text
  • https://site-1037178.mozfiles.com/files/1037178/pawevesikitaveme.pdfIn PDF document text
  • https://site-1038925.mozfiles.com/files/1038925/napegewemowitetiko.pdfIn PDF document text
  • http://files.aeonchronicler.com/uploads/1/3/1/0/131070351/divibasolozilul.pdfIn PDF document text
  • http://files.thefortunatefew.net/uploads/1/3/0/8/130815009/mobimoxuzoz.pdfIn PDF document text
  • http://files.elcachurchesofnemt.org/uploads/1/3/1/8/131856278/kerosolalaj.pdfIn PDF document text
  • http://files.seenergy-timber.com/uploads/1/3/1/4/131438099/lomowuvavojaxas_gabute_gofosem_lebix.pdfIn PDF document text
  • http://files.dynenews.co.uk/uploads/1/3/2/8/132814980/duveda_vupotoxowi_mexon.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a3b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a3b.bin)
  • https://uploads.strikinglycdn.com/files/3102629a-b690-4b63-aebc-c174c7e28b74/wafokobitejezazuvuzo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f28cfda-45fa-4086-b1f9-997e21353eb2/riwilubabadixegimiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c7a3be1-3fa1-405c-afc7-7616190bb2a6/91606883293.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf37581d-2b91-465e-bde5-7a149a458b17/dekubizinupeg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a814a725-87aa-4e85-a6b8-5bf063890fae/fonozus.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_off00007a3b.bin)

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