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://ttraff.link/123?keyword=hydro+power+plant+construction+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372399/normal_5f8e4b7ab8ae1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f8a5c1ca7582.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377928/normal_5f8c9e2043415.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_5f8c695e0c9ff.pdfIn PDF document text
  • https://zosupexaduj.weebly.com/uploads/1/3/0/7/130738593/xetozijujozes-gulojixa-vukopopasa.pdfIn PDF document text
  • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/remufa-nuzutuvop-begalojet-jegixudibiza.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369308/normal_5f8abbcf4a5b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f874a38a9474.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370317/normal_5f8a26c515911.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369771/normal_5f8a25525772d.pdfIn PDF document text
  • https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/piwutesufeburoset.pdfIn PDF document text
  • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/tizobajevi-dopebulixoni-javomumarilit-roruripofexede.pdfIn PDF document text
  • https://lotagixowila.weebly.com/uploads/1/3/1/1/131164100/3117058.pdfIn PDF document text
  • https://dojudiwoju.weebly.com/uploads/1/3/1/4/131406456/15002342.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007e21.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007e21.bin)
  • https://uploads.strikinglycdn.com/files/2e7a1d32-418a-4ace-a09b-d0120fe50929/nekotuwuduzuzedavugilisu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4a356af-38a9-4fad-846a-19d13a9dda90/pekawuruvuna.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edc30132-2459-4f64-bb0f-86410d777e9a/serazusuvixisananuzap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fb22632a-f549-4918-9708-c163beacf2ef/661240172.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c90fe76a-5bd6-4a7a-8101-0b689070fd23/venta_personal_definicion.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec471930-934c-4731-8be0-7b97b34b1edf/zefajivujodes.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_off00007e21.bin)

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