Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=guitar+and+violin+tuner+pro+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369920/normal_5f8853ac59d81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376852/normal_5f8cc6bcbdff6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365599/normal_5f8bb4a7bb0cf.pdfIn PDF document text
  • https://topodomero.weebly.com/uploads/1/3/2/6/132696018/915a642e3.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdfIn PDF document text
  • https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/kunexafaw_wejolafuwezejon_dulivotopasom.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/lefexoserizemojogi.pdfIn PDF document text
  • https://sifizebutu.weebly.com/uploads/1/3/0/8/130814914/nemokaro-vivir.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366995/normal_5f891ee80ea8f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f870f69743b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368242/normal_5f88484b9697d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369182/normal_5f8995d328ac6.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/a6a4f067-6a2b-4888-ad37-4bdf34a77392/nisuxekulizomifi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86855f55-fbb9-4a77-a2b8-e7e7c04bb44b/66849478297.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6e017f9-553b-4367-beb6-a67f29d7a58f/58206844372.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3414/7989/files/daughter_of_the_dragon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5462/8516/files/philosophy_and_the_mirror_of_nature_chapter_wise_summary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9198/3013/files/healthstream_evo_8000_treadmill_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9479/files/64967618465.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7451/8691/files/dark_horse_by_nilotpal_mrinal_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35a7f951-21ed-494d-931f-d23e84a9fa45/19307994583.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9dd7fcb-a2ba-4d57-bae0-3b490b6cde77/81200654166.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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