MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to domains that appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, indicating the document's purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://pixomot.ru/uplcv?utm_term=cara+dual+boot+ubuntu PDF link annotation
- http://miyisz.com/mingyi/images/userfiles/file/kazumivopeb.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/42250204007.pdfIn PDF document text
- https://xtrafitcoaching.com/www/images/files/jowovixojujitezikuxo.pdfIn PDF document text
- http://premiercontractinginc.com/files/file/12755868413.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/bubivuxefokulozupizumewoj.pdfIn PDF document text
- https://phukienbep.net/media/files/51676984983.pdfIn PDF document text
- https://magnanelli.com/userfiles/file/jilikijugekodavemuzesus.pdfIn PDF document text
- https://ku4ysk-9lgp4y.com/contents/files/84640228040.pdfIn PDF document text
- https://khmernative-rice.com/userfiles/file/60274962678.pdfIn PDF document text
- https://akemi.ro/hirek/file/jamorubijatinebanot.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdc2a3de43---begizigajebaxodenemute.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1614412d95bd8b---damafesan.pdfIn PDF document text
- http://xecuoihuyhoang.com/uploads/userfiles/file/kasorudokuk.pdfIn PDF document text
- http://fkjz.cn/upload/files/2021/09/202109072146249644.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/wudapazorubegevufawor.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/jolaboxijozinoban.pdfIn PDF document text
- http://asacnfservices.com/ckfinder/userfiles/files/fexukuwomiwuxodazig.pdfIn PDF document text
- http://protok.pro/upload/files/mowexojifuxupiponuzabivar.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/94483184394.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/96805117755.pdfIn PDF document text
- http://cukiernia.eu/upload/files/sagebenipewa.pdfIn PDF document text
- http://onlinecommerce.bg/uploads/pages/files/76632852223.pdfIn PDF document text
- http://mzch.pl/userfiles/file/96243613960.pdfIn PDF document text
- http://www.heatandgas.com/EditorImages/file/tegexoporubuvifazosuw.pdfIn PDF document text
- https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/wegosobosera.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.comIn 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_off0000e65d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE74 | 10120 bytes |
SHA-256: 6aea40c589a730f8d04bf6af88f5f9c5190e56fb514246db89c044caff9a1b74 |
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font_02_sfnt_off00011520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11520 | 18064 bytes |
SHA-256: ea8988a3bd009a396f76434d5ec9978c094b627ce643ac84d5fe0684c463a5dd |
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