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://ttraff.ru/wix?keyword=smart+wifi+toggler+apk+download In PDF document text

  • http://files.airductcleaningftworth.com/uploads/1/3/0/7/130775837/9495460.pdfIn PDF document text
  • http://files.deshlerchamber.org/uploads/1/3/1/3/131383959/xabonot.pdfIn PDF document text
  • http://papuxize.camerashyportraits.com/uploads/1/3/0/8/130874691/68feae9954e.pdfIn PDF document text
  • http://files.theuniversalartistwebsite.com/uploads/1/3/0/7/130775633/a127f90fc169a.pdfIn PDF document text
  • http://files.marymartinembroidery.com/uploads/1/3/1/6/131606256/nemutoza_zovemebevolet_bifezemob.pdfIn PDF document text
  • http://files.artbyamandahorn.com/uploads/1/3/0/7/130776602/wateperu.pdfIn PDF document text
  • http://napew.hawtestkitty.com/uploads/1/3/1/4/131407089/xenubekobun_rojilujoxeduge.pdfIn PDF document text
  • http://levosesux.zoesarah.com/uploads/1/3/1/0/131069934/5827547.pdfIn PDF document text
  • http://vukokuput.campluminary.com/uploads/1/3/1/4/131483266/8d673409.pdfIn PDF document text
  • http://jojivugof.thesouthernbyrd.com/uploads/1/3/0/7/130740607/lesolise.pdfIn PDF document text
  • http://mavidusu.warwickvalleywrestling.com/uploads/1/3/1/8/131871518/e6da189190e.pdfIn PDF document text
  • http://files.codebuddies4all.org/uploads/1/3/2/8/132815154/5236028.pdfIn PDF document text
  • http://files.absoluteunderstanding.org/uploads/1/3/2/7/132740375/mupovopoxame.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://32a97302-2785-45cf-a651-3d5c60ecbad8.filesusr.com/ugd/cd79e3_e45c98ef447845299459017a7cdf68bb.pdf?index=trueIn PDF document text
  • https://9a910d70-d788-40fa-9f8e-fa0427bac5a6.filesusr.com/ugd/902d29_31b61c5a0dbf49639fdf7c4a8f6b8bed.pdf?index=trueIn PDF document text
  • https://5925561a-20df-4b2a-a895-96c4802a857f.filesusr.com/ugd/61b8bf_c66b389d6e64417eb031789d7162e8e4.pdf?index=trueIn PDF document text
  • https://e1676636-e481-4e2b-b3d5-c6e5f7d7eba6.filesusr.com/ugd/6203b9_e3f25ee85cae4004b2479e58d6281bf1.pdf?index=trueIn PDF document text
  • https://64203820-af23-4679-8101-43190f853d24.filesusr.com/ugd/bf0735_a4e4a0db170049f78387d1a8426b0745.pdf?index=trueIn 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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