MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan payload. It contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'SE_LOLBIN_RUN_COMMAND' also indicates suspicious command execution patterns within the document text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://leonvi.ru/123?utm_term=atheros+ar5b125+wireless+driver PDF link annotation
- http://alex-chekalev.com/hp_photosmart_d110_series_driverfpbfx.pdfIn PDF document text
- http://pemufosapakem.mypressonline.com/organic_chemistry_class_12.pdfIn PDF document text
- https://cdn.sqhk.co/kewudomavave/bgdhakl/67148020992.pdfIn PDF document text
- http://goromeo.club/welcome_to_shadowhunter_academyke86z.pdfIn PDF document text
- http://ladirojenovezoj.mygamesonline.org/joxosaraponivapaxi.pdfIn PDF document text
- http://shoplus.info/29490261741rbtgx.pdfIn PDF document text
- https://pikotawikeju.weebly.com/uploads/1/3/4/4/134496208/darigekiguvi-gujeg-xetomizenipi-vagumimimepanug.pdfIn PDF document text
- http://copyright-infringement.business/temeguturorusajibuz1xvbm.pdfIn PDF document text
- http://vuzetasavuxoso.mygamesonline.org/91594362951.pdfIn PDF document text
- https://cdn.sqhk.co/numavagoko/ZGgjfja/88246228378.pdfIn PDF document text
- https://cdn.sqhk.co/suwixowefa/hKchGcw/zen_pinball_best_tables.pdfIn macro / runtime command snippet
- https://direwuberegenis.weebly.com/uploads/1/3/4/3/134361890/3112178.pdfIn macro / runtime command snippet
- https://cdn.sqhk.co/jefapukawore/dG01hbc/20244416447.pdfIn PDF document text
- http://salonhq.xyz/68859909550wv2it.pdfIn PDF document text
- http://bebetadiruj.mywebcommunity.org/uwc_application_form_2020.pdfIn PDF document text
- https://cdn.sqhk.co/numavagoko/ZGgjfja/8In macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://368051e9-4199-40ea-b9a2-dc6e6f83cb3b.filesusr.com/ugd/6260fe_e394a41b7c0d48f7898dc216705dde40.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3ef4983d-17cd-4df2-9de5-5cf2765bc0ae/kixirepolipilojanizixuza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a95200cf-1c31-4fc7-8d03-dc49e8b0fb4b/how_to_change_rip_curl_watch_band.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f43f3c0e-bd11-4958-893a-a1431aa30e2c/how_not_to_write_a_novel_howard_mittelmark.pdfIn PDF document text
- http://perexuwofogefo.onlinewebshop.net/mapa_mudo_america.pdfIn PDF document text
- https://34ea5197-a9e9-4ba5-99bb-a7dd7aeba98b.filesusr.com/ugd/234f58_ef25f8a66d09404e8363992cd10f155b.pdf?index=trueIn PDF document text
- https://e40da922-b0e4-44be-9878-2d4898ccab21.filesusr.com/ugd/3a38e0_86025f2acf1d42c7b8a56b93c7a706a6.pdf?index=trueIn PDF document text
- https://5e0c4d4d-41f9-428c-9564-b93e7cff6769.filesusr.com/ugd/510691_1ae79c4ac1444097a56c47ba03a1e4ff.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_off0000eb39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB39 | 5504 bytes |
SHA-256: c9448654be798f99ac522a0a5daa461c3b44d112525e7358cd3845cabf644711 |
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font_01_sfnt_off0000fe08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE08 | 11112 bytes |
SHA-256: c6ee2b0aa0430a66662f38327d745dff8950beaab34a4d4ae0ad60e5b7f84494 |
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