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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://cctraff.ru/pify?keyword=el+laberinto+del+fauno+online+castellano In PDF document text

  • http://files.koiyamariephotography.com/uploads/1/3/0/9/130969724/b4d4df54d6d006c.pdfIn PDF document text
  • http://kekutaba.spotlighteditorial.com/uploads/1/3/0/7/130775840/68a76a5f30606.pdfIn PDF document text
  • http://files.nicholasdenezzo.com/uploads/1/3/1/3/131384142/jonejet.pdfIn PDF document text
  • http://files.oldfieldtubeamps.com/uploads/1/3/0/8/130813769/4527449.pdfIn PDF document text
  • http://tosirum.meagafit.com/uploads/1/3/1/4/131438640/3478411.pdfIn PDF document text
  • http://files.lloydticklab.ca/uploads/1/3/0/9/130969735/dipejo-firedarowelo.pdfIn PDF document text
  • https://site-1037011.mozfiles.com/files/1037011/18464280637.pdfIn PDF document text
  • https://site-1036767.mozfiles.com/files/1036767/45143790549.pdfIn PDF document text
  • https://site-1039618.mozfiles.com/files/1039618/80393787110.pdfIn PDF document text
  • https://site-1036722.mozfiles.com/files/1036722/47086828849.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/8e3a322a-c9f0-4bec-bf3c-c4d69ab7eed0/35830149222.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78262a45-2591-4dea-9f2e-83751fca4871/69059340884.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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