MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicated maliciousness, and the PDF contains numerous embedded URLs pointing to a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of these links, suggesting a campaign to distribute further malicious content or phish users. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 4
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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://lnyuanzong.com/uploads/files/20210902202630.pdf In PDF document text
- https://zbmbudomont.pl/userfiles/file/81935364469.pdfIn PDF document text
- http://ngocphuocjsc.com/public/default/ckeditor/files/66169709652.pdfIn PDF document text
- https://angkalaris.com/contents/files/85946694023.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/53220508345.pdfIn PDF document text
- http://mashhadgardi724.ir/basefile/mashhadgardi724/files/komuvurigawuzugififaxek.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/58973328715.pdfIn PDF document text
- http://hotelborgodeipoeti.com/userfiles/files/46523554704.pdfIn PDF document text
- http://wasserentkalkung.at/ckfinder/userfiles/files/88084377881.pdfIn PDF document text
- http://archi-m.ru/userfiles/file/64128775777.pdfIn PDF document text
- http://capmar.eu/userfiles/file/13111060704.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/suzolizodazubowigot.pdfIn PDF document text
- http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/wiwawuvogi.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/47475901670.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b76ee163a2---12721325379.pdfIn PDF document text
- http://att-na.com/upload/getob.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/57745933390.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614234b4c1651---texibopeselavix.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/15683278502.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/defitebad.pdfIn PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/67105475078.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=oracle+java+code+conventions+pdfPDF 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_off0000b3dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cbef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBEF | 15228 bytes |
SHA-256: f038a5c3ea1502a40edcd1de1a58635c43f3e48aea5af2f961e7dcccd697185b |
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font_02_sfnt_off0000f24d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24D | 10836 bytes |
SHA-256: d1e7b2d066e405b9ecc54c6bcaaa0e9389629cb38f7ecaf4364becb70bdb73f8 |
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