MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The ML classifier and PDF heuristics strongly indicate malicious intent. The document contains numerous embedded URLs, with a significant portion pointing to disposable or unknown-reputation domains, suggesting a link farm or phishing lure. The heuristic 'SE_LOLBIN_RUN_COMMAND' also suggests potential command execution, possibly via embedded scripts or exploits.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://soxebez.ru/award?keyword=council+of+chalcedon+451+pdf PDF link annotation
- http://bristol-yalta.run/cancer_de_utero_enfmdkf.pdfIn PDF document text
- https://cdn.sqhk.co/gosuzufus/gh0Fjhc/mupuku.pdfIn PDF document text
- http://gevazuvunurodum.22web.org/windows_10_cmd_commands_cheat_sheet.pdfIn PDF document text
- http://fuvunopulo.22web.org/78680998706.pdfIn PDF document text
- https://cdn.sqhk.co/dezosanag/bUhjCjd/37890973398.pdfIn PDF document text
- http://stnold.com/the_vampire_diaries_season_1_episode_2_full_episode304wj.pdfIn PDF document text
- http://wei-nmvc.com/wirenoxipajusi7xzln.pdfIn PDF document text
- https://cdn.sqhk.co/wagomito/FjTqhgm/lakeje.pdfIn PDF document text
- http://tojumuwuluso.iblogger.org/cadastral_information_nz.pdfIn PDF document text
- http://gemotebefid.22web.org/articulo_de_la_constitucion_mexicana_que_habla_del_derecho_a_la_salud.pdfIn PDF document text
- https://cdn.sqhk.co/jememobak/higdxPy/infiniti_commercial_song_youtube.pdfIn PDF document text
- https://cdn.sqhk.co/lukisebeka/IjeJrie/dimozapowuxero.pdfIn PDF document text
- https://cdn.sqhk.co/guvevifowo/j8j2khe/electrical_installation_calculations_book.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mamesejo.epizy.com/8367866586.pdfIn PDF document text
- https://s3.amazonaws.com/tutapaxi/what_is_a_good_wattage_for_a_microwave.pdfIn PDF document text
- https://s3.amazonaws.com/pibajuwi/application_form_for_canadian_passport_renewal.pdfIn PDF document text
- http://xozitejazezo.rf.gd/el_caballero_de_la_armadura_oxidada_analisis_literario.pdfIn PDF document text
- https://s3.amazonaws.com/dexodekelaseki/ffiec_009_reporting_seminar.pdfIn PDF document text
- http://fuxufotab.epizy.com/15273163678.pdfIn PDF document text
- https://s3.amazonaws.com/zubuwujoxom/18441498796.pdfIn PDF document text
- http://lutidufewujasa.epizy.com/zajutokusi.pdfIn PDF document text
- http://sisuraregimu.rf.gd/ios_13_beta_8_ipsw.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_off0001a0c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A0C3 | 5136 bytes |
SHA-256: 3593c38f85f50a56ffc849b8f0a4df9341b1c90784963c6fa61a34fb92738778 |
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font_01_sfnt_off0001b251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B251 | 22116 bytes |
SHA-256: 5cace2151e707f690ef6aa104aed80b95f89efe980e21879e459f6c9ed487880 |
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