MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. 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 0.9997
Heuristics 6
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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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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://kuzutuzo.ru/123?utm_term=mabataki+back+number+free PDF link annotation
- http://medicinfo.online/tada_kimi_wo_aishiteru_vostfrv0xp0.pdfIn PDF document text
- http://my-favshopf.online/demobaxisexfv6to.pdfIn PDF document text
- http://cafe-cok.ru/jirorewiwoj52mdb.pdfIn PDF document text
- http://farozemirig.scienceontheweb.net/does_youtube_or_instagram_use_more_data.pdfIn PDF document text
- http://santaparker.store/p0455_dodge_durango_2007gjcnb.pdfIn PDF document text
- http://metalllift.ru/this_is_us_season_2_episode_guide9t8sy.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://d99d9bf7-a5e0-49f2-90ac-0d1bc881463d.filesusr.com/ugd/0182ef_36bf5803c4a04fb0ac89c8b7d7d1f768.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wazotojemov/zarchiver_app_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ac7a9aa0-94f2-463c-81a1-94f8b7db0e92/72164270491.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/21684700-a998-4222-ae38-a62d3c29edb5/ukulele_music_theory.pdfIn PDF document text
- https://ddb0fe67-a09a-413d-b59a-c21b1dde3186.filesusr.com/ugd/3f0e57_311d37be83214d67a0f8e78bb557410f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e7b5b720-59af-493b-adc1-02daf884d061/ledolakevigil.pdfIn PDF document text
- http://reladefuxuna.onlinewebshop.net/ielts_general_reading_answer_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9830e48-b3e5-4e4c-84c1-2cf40b03444c/fokubotopixomiz.pdfIn PDF document text
- http://pimimozoji.myartsonline.com/92229245146.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c1cf768-eea9-4a90-9b3a-c439eca40576/dekugegaramazamomufek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d90ebb0-59a1-479f-9770-542ae99603b7/validation_of_the_maslach_burnout_inventory_-_general_survey_an_internet_study.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00765191-5fd6-4642-ab24-8fc8000a946c/washington_state_department_of_health_covid_vaccine_guidelines.pdfIn PDF document text
- https://fccd5518-64e1-462d-9dbe-8d8d8a19ca7a.filesusr.com/ugd/eb005d_ffb0f683552c4014add04593e3e9b05f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kubafezin/john_deere_l120_parts_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c9b5f6a-8918-4644-afbc-96d634e5f5c5/kufozaluwekimevan.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_off0000f999.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF999 | 5024 bytes |
SHA-256: 1e82b22468c946aecfc78b8131b0d0f0c8d50b1f443753cf02f2f745ce8b226a |
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font_01_sfnt_off00010ab0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB0 | 11048 bytes |
SHA-256: dc07a7d91062ba423e6ff663fbd84ece4d628aa8b42e9a212afa4fe7ca2d0aca |
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