MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded URLs that redirect to potentially malicious domains, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS' heuristics. The document body, though heavily obfuscated, suggests a lure related to 'learn korean phrases pdf'. The presence of multiple external URIs and the ML classifier's high confidence score point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 5
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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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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://bologen.ru/award?keyword=learn+korean+phrases+pdf PDF link annotation
- http://shopsmmv.site/sawirivatokojupgmp0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383450/normal_6040595ecb039.pdfIn PDF document text
- http://newipufisatag.scienceontheweb.net/first_aid_usmle_step_2_cs_7th_edition.pdfIn PDF document text
- http://xepokex.iblogger.org/lafusipasuzetapugodij.pdfIn PDF document text
- http://nenodipemuxok.mypressonline.com/53594495758.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450507/normal_5febdc4f2a8bb.pdfIn PDF document text
- http://dewisazovuvoxi.mywebcommunity.org/ezgo_parts_san_antonio.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375890/normal_5fdc8bdda023f.pdfIn PDF document text
- http://vesixadaw.22web.org/ludugoje.pdfIn PDF document text
- http://dragonflysagewellness.com/xemomapumifisozijoyr0ah.pdfIn PDF document text
- http://modezewop.mygamesonline.org/16348444823.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fakulolipokate.epizy.com/std_testing_results_template.pdfIn PDF document text
- https://93dbb2ad-f1e8-4c6c-adfd-2ef134399473.filesusr.com/ugd/df4650_ca91fcf1cc81424dbaa4bbba63aa5d6a.pdf?index=trueIn PDF document text
- https://cda84be5-0c54-4c05-8389-97bb004c798d.filesusr.com/ugd/fa9f00_18a981ef3b0b4729ba735f53ece59ac8.pdf?index=trueIn PDF document text
- https://571cbd0a-ba82-408d-be6d-2df53a8fcfe5.filesusr.com/ugd/02af14_a6c3149509af4ec691d6cb23297ec9d9.pdf?index=trueIn PDF document text
- https://dd3528e8-ded0-4753-843e-0d3cb9f542e7.filesusr.com/ugd/4d6844_25a192928f37443fbbbe1b7ff31c1649.pdf?index=trueIn PDF document text
- http://wovogaxix.epizy.com/keto_diet_food_pyramid.pdfIn PDF document text
- http://tirosonitagaxe.rf.gd/kajaria_vitrified_floor_tiles_catalogue.pdfIn PDF document text
- http://tiluxusimutine.atwebpages.com/conair_weight_watchers_plastic_body_analysis_scale.pdfIn PDF document text
- https://2e5cbe44-7de3-4e3f-b94c-8a8567814465.filesusr.com/ugd/f96b02_32cf3acdd66f46ed84152ab819df7633.pdf?index=trueIn PDF document text
- http://sovuberexizizir.epizy.com/wodunukaxojoliwovadogemu.pdfIn PDF document text
- http://denefarow.rf.gd/ya_no_eres_pan_y_vino_letra_y_acordes_piano.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011585.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11585 | 28380 bytes |
SHA-256: 4b5ace93719fbcaf05ee148d0232998b50c4ff8c2b5cfffb7eb92555bc297fd2 |
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font_01_sfnt_off0001660f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1660F | 5104 bytes |
SHA-256: 6a271c06a19953d62a178b450d6d5cd6d8e29511dd02dd6e9ceebfd9727650da |
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font_02_sfnt_off0001776a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1776A | 11676 bytes |
SHA-256: 7f9f1aaff396aa268bb522a2a61bb7d009173a41e68c32b92c8aacb287e90457 |
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