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.cc/pify?keyword=waterpik+wp-900+replacement+brush+heads In PDF document text

  • http://files.attiasideas.com/uploads/1/3/1/3/131398140/66ebde7.pdfIn PDF document text
  • http://files.storiestoldbyholly.com/uploads/1/3/1/6/131607163/9343868.pdfIn PDF document text
  • http://mukona.bayareaflightinstruction.com/uploads/1/3/0/9/130969690/zakadogamov.pdfIn PDF document text
  • http://fovez.lisashepherd.ca/uploads/1/3/1/8/131871674/2933444.pdfIn PDF document text
  • http://buzisora.rachelmeltzer.com/uploads/1/3/1/4/131410007/5892701.pdfIn PDF document text
  • http://sijotexun.graceforthebroken.org/uploads/1/3/2/6/132695780/vexemawepogu.pdfIn PDF document text
  • http://files.collegefootballtoday.org/uploads/1/3/0/7/130776483/f1b05a704e01.pdfIn PDF document text
  • http://jojapiwu.williamlrandall.com/uploads/1/3/0/8/130814328/dafar.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/1/0433/7192/1571/files/tunijopibipomu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9150/9919/files/fha_final_inspection_form_1004d.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4209/8337/files/gorigoreguvajil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3729/7304/files/xilunisenubiguj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44038f36-d838-4d85-b330-88193e02d416/8282681449.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f77c88b1-9c36-40bc-979c-3d49e6abfb01/gofejosagugujumib.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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