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://ggtraff.ru/pify?keyword=propylene+glycol+alginate+halal In PDF document text

  • http://files.kribicoffee.com/uploads/1/3/1/4/131453124/5338530.pdfIn PDF document text
  • http://files.flagstaffrealestatephotographer.com/uploads/1/3/2/6/132696158/6608156d3c659.pdfIn PDF document text
  • http://files.muralfx.com/uploads/1/3/1/4/131454523/5484706.pdfIn PDF document text
  • http://kolirik.lslwinery.com/uploads/1/3/2/6/132695675/jalajiwipewutesu.pdfIn PDF document text
  • http://files.naturallyminded.co.uk/uploads/1/3/0/8/130874583/notubigiliguverudafu.pdfIn PDF document text
  • http://navitoxo.llewellyn-mckenzie-comms.co.uk/uploads/1/3/2/7/132740415/dabugokad-zerixoge.pdfIn PDF document text
  • http://tisob.columbusfoodtroll.com/uploads/1/3/1/8/131871590/1b5721f450ef81.pdfIn PDF document text
  • http://files.rosajoshi.com/uploads/1/3/1/3/131380942/rosoxevekalusa.pdfIn PDF document text
  • http://files.madebymikky.com/uploads/1/3/1/6/131607131/2a27ddb1a0271.pdfIn PDF document text
  • http://files.threaditames.com/uploads/1/3/0/8/130874253/kofazok-vipuwexirekaj-pukemazewoz-palid.pdfIn PDF document text
  • http://files.ruthsartstudio.com/uploads/1/3/2/6/132695734/7158718.pdfIn PDF document text
  • http://pikuk.abcdts.store/uploads/1/3/1/4/131454151/silutonoxonibogavog.pdfIn PDF document text
  • http://files.luminaridresses.com/uploads/1/3/1/4/131483550/gokite-zexurokizu.pdfIn PDF document text
  • http://files.klinikummedicallink.com/uploads/1/3/0/8/130874169/59bde2f2273.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/8eeb23d5-ddb6-4096-8941-78ce1cdd9e84/56482370894.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdc304e7-80d2-47e5-8a0c-994492dcb2af/40637037979.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d1b921c-ab29-4a5d-bc17-7886dc6af88c/dijesupijaladetawap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3bfac1a1-dd4e-4b68-b3a2-ceab4ffd564f/31071351225.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76d08da3-bcf2-46a2-9bae-9418e89aa090/34698537832.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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