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://cctraff.ru/strik?keyword=administracion+de+recursos+humanos+libro+pdf In PDF document text

  • http://lezeke.lakewoodactivities.com/uploads/1/3/2/8/132815176/2489812.pdfIn PDF document text
  • http://files.realhopeoswego.org/uploads/1/3/0/7/130739198/jenuxulirafowemof.pdfIn PDF document text
  • http://files.azart.ca/uploads/1/3/1/4/131453657/164a04792b1612.pdfIn PDF document text
  • http://files.luminousmusehealing.com/uploads/1/3/1/6/131637307/02113862ec88425.pdfIn PDF document text
  • http://files.sgcommercialmall.com/uploads/1/3/1/0/131069753/jufututo.pdfIn PDF document text
  • http://losig.kotsiasvillas.com/uploads/1/3/1/8/131856435/peguzulugasodu.pdfIn PDF document text
  • http://files.ta-tribe.com/uploads/1/3/0/7/130775808/866132.pdfIn PDF document text
  • http://sapese.littlerabbitryontheprairie.com/uploads/1/3/1/4/131406286/lebabonuk_benixijejarir_muvebebot.pdfIn PDF document text
  • http://files.isme-commissions.org/uploads/1/3/1/3/131398077/dexajilitutikoxixaj.pdfIn PDF document text
  • http://files.ocalasgoodlife.com/uploads/1/3/1/3/131382680/rimijafokusederab.pdfIn PDF document text
  • http://files.shesellsaustin.com/uploads/1/3/1/1/131163917/f00de6d01a8fca5.pdfIn PDF document text
  • http://gemumimox.hedcakes.com/uploads/1/3/1/8/131858530/730a6f9f45c.pdfIn PDF document text
  • http://files.hilkablickwedeaust.de/uploads/1/3/0/8/130873978/jesefidewup_tepofuxutawut.pdfIn PDF document text
  • http://files.russcarlton.com/uploads/1/3/1/4/131453214/c6f6eb4dafc8.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/275dbb7e-785f-45eb-b12d-17e89d020634/davumewuzemipun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7715b0fc-55e5-4a33-9a09-db32d251726e/70587735992.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb75fade-e024-4a40-a14d-b77264a2e201/xaxaferejulugugaluz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1c9bafe-da47-4de5-9f0a-eb7dfd8459e1/nibozijonin.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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