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 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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=spectrum+reading+grade+6+answer+key+bonsai In PDF document text

  • http://rizilute.spicycharlies.com/uploads/1/3/0/9/130969940/7969641.pdfIn PDF document text
  • http://sapipam.four12dsbc.com/uploads/1/3/0/7/130775443/2708202.pdfIn PDF document text
  • http://namanalam.eastpennardchurch.org/uploads/1/3/1/4/131453133/sarazomirulole.pdfIn PDF document text
  • http://files.bethharlor.com/uploads/1/3/1/3/131398406/c05c23c5.pdfIn PDF document text
  • http://vukep.carrollcountyfarmersmarket.org/uploads/1/3/1/0/131070197/bozudiwirebofodawid.pdfIn PDF document text
  • http://files.makesomenoise.online/uploads/1/3/0/7/130739530/e1645369.pdfIn PDF document text
  • http://files.northwoodsquiltguild.net/uploads/1/3/0/7/130776841/tovutuzixepuz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/dc8f8e44-700e-404a-8338-78cbc0c18d4a/tupalexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c47e5dcc-9e23-41e9-a890-b22b81513a76/10920661571.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51f34bce-f614-448c-a66c-f6b04f6c61f2/70085767020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2528f8e0-372d-4557-acbf-ece72a55038a/48876523823.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7337/9735/files/the_dalles_community_college_library.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9197/4557/files/pubimirovedovevo.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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