MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with heuristics indicating it's a link farm on disposable hosting and points to known malicious redirector infrastructure. One of the embedded URLs, 'https://cctraff.ru/123?keyword=maplestory+night+walker+nodes', is directly associated with malicious redirector activity. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/123?keyword=maplestory+night+walker+nodes In PDF document text
- https://tisatazufewuvo.weebly.com/uploads/1/3/1/1/131163687/9721361.pdfIn PDF document text
- https://pibazafefudo.weebly.com/uploads/1/3/0/7/130776509/8198697.pdfIn PDF document text
- https://gusumadanu.weebly.com/uploads/1/3/2/6/132695601/varudirowivegepiz.pdfIn PDF document text
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/busixakowun_zefisuni.pdfIn PDF document text
- https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/wuduzomadanomom_takezezonepoxi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376601/normal_5f8e862107799.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368788/normal_5f8a0d74c631e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377100/normal_5f8ab67a90138.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385206/normal_5f8e5de37c998.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366662/normal_5f8735d9cef99.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388065/normal_5f94e2a339c90.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417537/normal_5f991063c13f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366340/normal_5f9234d1e620a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373505/normal_5f8e712c0cd19.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381081/normal_5f9883488881f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366949/normal_5f89b2b193284.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366041/normal_5f87195f395f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380073/normal_5f9338bda247e.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/5904df8c-4049-4c9e-b516-f018d729584e/surawifotujusosul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cd23e42-885b-4788-b6c7-3c4c239942a5/jovoruxoz.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/15645496179.pdfIn PDF document text
- https://s3.amazonaws.com/nonipesikiri/lean_warehouse_management.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/dos_card_game_rules.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/hdfc_life_immediate_annuity_plan.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b7f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7F3 | 5484 bytes |
SHA-256: b9a6cd4b4d3d9b164ed91019baf0cde17fc500364ad5c927c27078fd97e743f3 |
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font_01_sfnt_off0000caa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA5 | 11544 bytes |
SHA-256: e0fc7bbde671d89408fd8cf2cf55bedb567439f4f45c321c4dcf8419fa8337d7 |
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