MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
T1204.002 Malicious Link
The sample is a PDF document flagged by ClamAV as a phishing trojan. It contains a fake CAPTCHA heuristic, indicating a social engineering lure to trick the user. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it was generated programmatically. Multiple external URLs are embedded, with one prominent URL pointing to a suspicious domain ('soxebez.ru') that is likely part of the attack chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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/strik?utm_term=how+to+reset+soundpeats+truewings PDF link annotation
- http://6gusevshop.website/lovecraft_country_trailer_episode_8io5r0.pdfIn PDF document text
- http://tarezirok.mypressonline.com/how_to_improve_visual_field_test_results.pdfIn PDF document text
- https://cdn.sqhk.co/fekerepusa/ggjf43D/mega_mini_golf_7.pdfIn PDF document text
- http://cardio-natural.info/operations_management_jobs_las_vegas2zeon.pdfIn PDF document text
- http://regse.website/durapaxal5l2hj.pdfIn PDF document text
- https://cdn.sqhk.co/vabalogu/hcbXQig/classroom_management_plan_high_school_math.pdfIn PDF document text
- http://edaruzal.xyz/changes_that_heal_audiobook6whge.pdfIn PDF document text
- http://sigixexizo.sportsontheweb.net/analogy_reasoning_examples.pdfIn PDF document text
- https://cdn.sqhk.co/puwukuwos/jqge5kc/17455796400.pdfIn PDF document text
- http://sluzhba1.net/how_to_become_an_auto_mechanic_apprenticewv2eu.pdfIn PDF document text
- http://zujejilolo.scienceontheweb.net/pagalomenibedonira.pdfIn PDF document text
- http://vetobiz.sportsontheweb.net/lorajuxetafusup.pdfIn PDF document text
- https://cdn.sqhk.co/tamupoto/jbhaNig/75336558854.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/vokeri/gidaxedid.pdfIn PDF document text
- https://s3.amazonaws.com/zumomasugipeno/run_on_and_comma_splice_worksheet.pdfIn PDF document text
- http://jinujatafariva.rf.gd/87461590534.pdfIn PDF document text
- https://856cb5e6-6c81-45ce-9604-b57907a15cd2.filesusr.com/ugd/cc3ca9_a0e23911739747cda764762d63d068fd.pdf?index=trueIn PDF document text
- http://biwefejiza.myartsonline.com/crpc_act.pdfIn PDF document text
- http://marenoko.epizy.com/13_reasons_why_jay_asher_genre.pdfIn PDF document text
- https://s3.amazonaws.com/nefomojuwet/43049679981.pdfIn PDF document text
- https://ced6af22-cf5f-4df0-9cd6-2d424634d287.filesusr.com/ugd/3eed2b_39dba615833f4bfda78d62681a3e9125.pdf?index=trueIn PDF document text
- https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_8da0aa576b9740fab85692c81688393f.pdf?index=trueIn PDF document text
- http://peromur.epizy.com/72505873919.pdfIn PDF document text
- http://xavuguwibimovin.epizy.com/pimesapojufubezolobu.pdfIn PDF document text
- https://s3.amazonaws.com/zalisujezajaje/96468268294.pdfIn PDF document text
- https://945c5b1a-9feb-4a08-b72d-c905ca1b1520.filesusr.com/ugd/27135d_a7d5253ff35e4c2fa6b93c46b2eb0eec.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011b8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8B | 2880 bytes |
SHA-256: 619a44e8b5c2a2d3fc0e18259d8022938ad4f8b30552901bc68dc41c3d0f2ef0 |
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font_01_sfnt_off000125c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125C9 | 5148 bytes |
SHA-256: b53b4781725f79745d87c6dca5245170ca9ae59a6ab09741cbfe9be218a4ab19 |
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font_02_sfnt_off00013766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13766 | 12472 bytes |
SHA-256: 2d1ca1096eceb63cb0a19cb8603eb8e89cab952ce5109db22664fc12f81db8ae |
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