MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to distinct domains, suggesting a link farm or SEO poisoning attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://pengyou-english.com/FileData/ckfinder/files/20210910_2D8F90E84A2B7098.pdf In PDF document text
- http://antonioruizabogados.es/userfiles/file/webexotemikanot.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/ed11eb00336ccf586ef41dee87a828dc/kuzejodegu.pdfIn PDF document text
- https://takipbizde.com/calisma2/files/uploads/74292142641.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/89442899861.pdfIn PDF document text
- http://eco-building.cz/UserFiles/File/sixuzara.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/22917379075.pdfIn PDF document text
- http://sedaciesupravy.sk/media/file/wedipivilelaborajibi.pdfIn PDF document text
- https://pastelbuilders.com/userfiles/file/gijut.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/63990360167.pdfIn PDF document text
- http://partnercable.hu/files/61913489066.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/lijanelofiwokusupivurubi.pdfIn PDF document text
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/34509280983.pdfIn PDF document text
- https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/mejexix.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/82185580611.pdfIn PDF document text
- http://rebeccafantarchitetto.it/userfiles/files/17247272420.pdfIn PDF document text
- http://www.pvvc.cz/files/jeselugipurixufuxogujamu.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/lodijinuwazusolaw.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efe27b994d---raxoguliduvutibalamosewaw.pdfIn PDF document text
- http://mayjack.com/upload/files/kozigupebuja.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/wavigaxefijesifipegubil.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/sujafuxaxusojupiguz.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/47244099306.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=diskdigger+hack+apk+downloadPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA37 | 10876 bytes |
SHA-256: 48f46bed14101609abf5675314e30750f53653e5cc5483d068e7134c93fb4dcd |
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font_01_sfnt_off0000f31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B30 | 17916 bytes |
SHA-256: b305ec5ccb007272b0b7f9bfe271c174622a3d96648beeb25b06bf7c167cb52e |
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