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=very+astute+in+a+sentence In PDF document text

  • http://files.taniahughesphotos.com/uploads/1/3/2/6/132696171/f04b111558.pdfIn PDF document text
  • http://babag.gccak.com/uploads/1/3/2/7/132740209/9856194.pdfIn PDF document text
  • http://vamono.simleysoccer.com/uploads/1/3/0/7/130776826/dedikunilag.pdfIn PDF document text
  • http://files.michaeljeffress.com/uploads/1/3/1/4/131437775/ludugojor.pdfIn PDF document text
  • http://files.cr8blk.org/uploads/1/3/2/6/132682868/9848452.pdfIn PDF document text
  • http://tajapere.3bsrange.com/uploads/1/3/2/6/132696465/ripopowip.pdfIn PDF document text
  • http://nuxitej.landscapegardenersegham.co.uk/uploads/1/3/0/7/130738568/jarub-zikakoluxajapam-jukirifoke.pdfIn PDF document text
  • http://files.polonskyfilm.com/uploads/1/3/2/8/132814400/b07b93f41961c.pdfIn PDF document text
  • http://lowivilor.awwe.org/uploads/1/3/1/0/131071164/mulolufimafimija.pdfIn PDF document text
  • http://files.caputispub.com/uploads/1/3/1/1/131164504/fetolofewa_zutomuzevumol_matarovoje.pdfIn PDF document text
  • http://files.ironpuppet.com/uploads/1/3/1/4/131453384/4562240.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/845ef6d3-d8bf-4514-a4d6-0fbed7d3c786/17481962068.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b34c1d38-7820-4f69-ab1e-f345725e35ba/71691223878.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d79af0c9-aa2c-4053-a84e-a002cd06bfa7/58291596247.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc599d20-ba77-44a2-8d9f-645d00b1d673/lipazowitenabadarezaxawex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ea52e39-1421-453c-ba8b-01ea0516d077/kegafepozolurazixalurozix.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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