MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains text related to 'learner engagement' and 'wkhtmltopdf', likely a lure to disguise the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://ponafet.ru/strik?utm_term=what+does+learner+engagement+mean PDF link annotation
- http://nawitebexu.medianewsonline.com/states_of_matter_class_11_notes.pdfIn PDF document text
- http://burivuvuju.medianewsonline.com/sikozubigov.pdfIn PDF document text
- https://xirabefutabo.weebly.com/uploads/1/3/5/3/135323672/xuxadujirininon-duwimape-xusanetivixax-vunaz.pdfIn PDF document text
- http://mereritijazos.scienceontheweb.net/area_of_rectangle_worksheet.pdfIn PDF document text
- http://fomigiv.mypressonline.com/gilajegatenomavera.pdfIn PDF document text
- http://lemafesopeposuz.mywebcommunity.org/92947160725.pdfIn PDF document text
- http://nugawijuxuv.mywebcommunity.org/all_about_space_download.pdfIn PDF document text
- http://arnautmebel.ru/business_analytics_jobs_descriptionzlxen.pdfIn PDF document text
- https://cdn.sqhk.co/kejaxedusuk/Zhi9Cih/best_drought_tolerant_grass_australia.pdfIn PDF document text
- https://cdn.sqhk.co/nuxazagugura/giegiih/80159402372.pdfIn PDF document text
- https://fiwebafifike.weebly.com/uploads/1/3/4/8/134885554/xipumalofojal.pdfIn PDF document text
- https://cdn.sqhk.co/panafilaputu/vhfJjcQ/simple_birthday_decoration_ideas_for_boyfriend.pdfIn PDF document text
- https://cdn.sqhk.co/vofosutuwo/jaibCjd/35069070432.pdfIn PDF document text
- https://cdn.sqhk.co/mefivujosawo/hgjbdiM/armageddon_gear_precision_rifle_sling_for_sale.pdfIn PDF document text
- https://sererepe.weebly.com/uploads/1/3/3/9/133999843/9235891.pdfIn PDF document text
- http://logoped-samara.ru/mezilemutorbr3w.pdfIn PDF document text
- https://cdn.sqhk.co/fenazijeguk/l8ggjcj/no_limit_fitness_studio.pdfIn PDF document text
- http://woxijakuzadajew.getenjoyment.net/how_to_set_tension_on_a_kenmore_sewing_machine.pdfIn PDF document text
- http://shoop-fr.ru/the_buffettology_workbook_value_investing_the_warren_buffett_wayt3t5r.pdfIn PDF document text
- http://rafale.store/visolidipemebedisipavurlg4rd.pdfIn PDF document text
- http://salonapp.xyz/math_formulas_to_remember_for_asvablagw5.pdfIn PDF document text
- https://cdn.sqhk.co/mowasikuso/hejijgf/voice_assistant_technology_companies.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://duvodix.myartsonline.com/modern_chemistry_chapter_6_chemical_bonding_test_b.pdfIn PDF document text
- http://rinimodosejowuf.myartsonline.com/basic_english_speaking.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_off00010fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB0 | 5252 bytes |
SHA-256: be7b4a190e46c7c7be40ed2611062e1b084cbde5ca843df70d9c6a8a5658a784 |
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font_01_sfnt_off00012167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12167 | 1584 bytes |
SHA-256: eafd63624bde76a214bdb5d4117da08538576f18dbe24786dcbb7f1006fc9909 |
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font_02_sfnt_off00012971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12971 | 11692 bytes |
SHA-256: 35da7cf6e0f01553d2d40e12e5bd6469e3164930d970fb86519156eb61c9eaea |
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