MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a seed-phrase/secret-recovery lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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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External URI info PDF_URIPDF contains an external URL action
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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://xajibur.ru/award?keyword=html+to+pdf.+net+core+linux PDF link annotation
- https://cdn-cms.f-static.net/uploads/4473926/normal_6057b5b2a62fc.pdfIn PDF document text
- https://setabuzi.weebly.com/uploads/1/3/0/7/130775645/650420.pdfIn PDF document text
- http://igcopyrightforhelps.com/bombsquad_apk_mod_file0r251.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380226/normal_6049da1fec66e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450160/normal_5fdee76983948.pdfIn PDF document text
- http://universe1.space/chicco_bravo_stroller_folding_instructions6gqur.pdfIn PDF document text
- https://fepobewute.weebly.com/uploads/1/3/5/3/135386667/wilatusu.pdfIn PDF document text
- http://cosmostil.top/48937857605jstql.pdfIn PDF document text
- http://miwuzobi.sportsontheweb.net/automatic_control_system_kuo.pdfIn PDF document text
- https://rurovipodi.weebly.com/uploads/1/3/4/0/134096689/mesugajigi-roweji-luruxunulo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492586/normal_5fc63c4553e31.pdfIn PDF document text
- http://salopkisa.website/texepejuxuwivipejat3oxd.pdfIn PDF document text
- http://jakiduve.scienceontheweb.net/foxit_reader_full_version_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463551/normal_60595df81cec8.pdfIn PDF document text
- https://tomadukego.weebly.com/uploads/1/3/6/0/136083679/607264.pdfIn PDF document text
- http://meetsalle.xyz/android_one_vs_android_8._0_oreoeouod.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/a5a1d3d0-82e4-4820-9374-1b4d49eebe00/easy_way_to_quit_drinking_audiobook.pdfIn PDF document text
- https://0e8f88b9-656e-4b05-9cd8-8bd477f85547.filesusr.com/ugd/95b9ea_c2e406258ef2494995f5040123f9bf1d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4d70ad75-9f46-4a9b-81b2-3573e79d3193/maths_simple_equations_class_7_worksheet.pdfIn PDF document text
- https://fa202315-5cd5-4006-9a99-7c5d4406650e.filesusr.com/ugd/61804c_c7c69a0127d54571bcf67dcd38d4ff0e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/72b1d5c6-122d-4917-a700-84fdb966c39b/digital_product_designer_salary_in_canada.pdfIn PDF document text
- https://c4a0f302-b060-43a0-af10-a0364da5eca7.filesusr.com/ugd/c6d327_0bd04e34c8b04bf196259ba6c782cb3a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/64bd10a5-6b57-4113-9b0d-92aca7d26c58/garmin_gtx_327_transponder_for_sale.pdfIn PDF document text
- https://700ceb37-22d2-47c5-9888-d858af679aee.filesusr.com/ugd/c345b0_6d85cceb13334c6b81baa4d3eaded864.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e74fee02-50ec-4027-bd06-bceb960d64ac/stephenie_meyer_writing_another_twilight_book.pdfIn PDF document text
- http://xemunebo.atwebpages.com/85184361496.pdfIn PDF document text
- https://69b3109a-7cce-4514-9193-d2106d9976ab.filesusr.com/ugd/3c2969_c13a0716d249494a9f4b67ce5b3d4f72.pdf?index=trueIn 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_off0000f586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF586 | 4972 bytes |
SHA-256: 12832f04e0b09d58d243473bf0b9e7c9b3ca9de25fdbb1d518b544d249081eae |
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font_01_sfnt_off00010668.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10668 | 11064 bytes |
SHA-256: a78d477a7cec974a2838647ddb71b1c253e6f9c53844c359a80cae5c6829273c |
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