MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by multiple heuristics, including a high-confidence ML classifier and ClamAV. It contains numerous embedded URLs pointing to potentially malicious domains, suggesting a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links on disposable hosting, further supporting this assessment. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://medvor.ru/uplcv?utm_term=tubidy+mp4+music+video PDF link annotation
- https://www.paseppe.gr/ckfinder/userfiles/files/posumiwasapinagalari.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/33937259722.pdfIn PDF document text
- https://habrit.tw/ckfinder/userfiles/files/waxezosoxot.pdfIn PDF document text
- http://hladonural.ru/upload_picture/kokob.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/82993963249.pdfIn PDF document text
- http://aisne.proximeo.com/ckfinder/userfiles/files/danifejugigeso.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/954fbadd4069de35d55e14f0c5608a4e/tutom.pdfIn PDF document text
- http://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/60766178133.pdfIn PDF document text
- http://theclelandgroup.com/img/upload/file/83398150817.pdfIn PDF document text
- https://iva-vietnam.com/userfiles/file/jotagese.pdfIn PDF document text
- http://vagyonvedelemszolnok.hu/admin/fck_upload/file/93753729089.pdfIn PDF document text
- https://blugarden.eu/file/86830985150.pdfIn PDF document text
- http://hk-keber.de/images/file/36784524196.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/tikadob.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109131150531008.pdfIn PDF document text
- http://sghr.ca/upload/ckfinder/files/dizirudoz.pdfIn PDF document text
- http://tokyosushilohaus.com/uploads/files/zikijejavopirorop.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/05/wasufejojodipufivotev.pdfIn PDF document text
- http://kccmaul.com/files/files/80008365479.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed2ab8defd---medabaxegapuminoxe.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/momamotevulegosezi.pdfIn PDF document text
- http://spharma.ua/files/file/92558269648.pdfIn PDF document text
- http://0225674989.kad.tw/kads/ckfinder/userfiles/files/mixunin.pdfIn PDF document text
- https://sanaspinler.com/calisma2/files/uploads/xotir.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://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_off0000cf05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF05 | 18000 bytes |
SHA-256: 3e095ea821031998d1d628c774d4765f980da77ab924c9d3c548e3a4c96369c8 |
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font_01_sfnt_off0000fdd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD5 | 10628 bytes |
SHA-256: b08ac479ab036c530ef0340c138028eb05567e25f2503eb5af4bb7883ab87968 |
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font_02_sfnt_off00011602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11602 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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