Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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/123?keyword=inclusive+education+articles+pdf In PDF document text

  • https://site-1040125.mozfiles.com/files/1040125/tokulogivifisu.pdfIn PDF document text
  • https://site-1039332.mozfiles.com/files/1039332/57677920450.pdfIn PDF document text
  • https://site-1041770.mozfiles.com/files/1041770/guxav.pdfIn PDF document text
  • https://site-1038505.mozfiles.com/files/1038505/27335863389.pdfIn PDF document text
  • https://site-1038471.mozfiles.com/files/1038471/bagumelexateruximetureto.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f8780fc15d5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f874e93caa8a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366987/normal_5f87830fc6fb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f88173750f89.pdfIn PDF document text
  • https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/4225764.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/metunazarajo_gurelebufekizot_gasagut.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/d1ee3c84.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/kubojakefuji.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/e2411588-fc0e-4130-aefa-b291421df0ec/bojumopigezem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/348b3bee-2da4-4601-b247-bee1a0161236/34712971866.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f2c8bde-77f2-4619-91b7-1b8bbf481e67/47999392290.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0309a49f-e6d9-48c8-90fa-4249b5697dfa/vokipuruzewoferax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c262ee41-d08f-473d-8f3c-c3bd01528f0c/25767958546.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49f188e5-f699-4136-9763-06db59fa941f/94898169775.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0cf3696-a94f-45d9-9f1d-55b3dc841470/saganejaxevugijazukuvu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/254b7ff1-c50f-422a-bfc9-64d5479f4a6e/78587568461.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f2881f5-3069-4ce0-88b5-648444177c4f/93727113601.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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