MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It contains an embedded JavaScript stream and a large number of external URIs, many hosted on disposable domains, indicating a phishing or link-farming attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags this behavior, suggesting the document is designed to distribute links across numerous low-reputation hosts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://szallas-karpatalja.com/upload/11000478222.pdf In PDF document text
- https://ostrichpharmaceuticals.com/userfiles/file/xugonawutugamufezom.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613af8f9c2206---53240483319.pdfIn PDF document text
- http://twapp.freshkon.com/upload/files/dawegozebifarezenuxubejo.pdfIn PDF document text
- http://bfttacg.marketsearching.com/upload/files/32386666854.pdfIn PDF document text
- http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/55360480882.pdfIn PDF document text
- https://maturana.cl/upload/file/gibatowimux.pdfIn PDF document text
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/83723072108.pdfIn PDF document text
- http://xn--80aer5aza.xn----htbdepbihnfb8cyg.xn--p1ai/ckfinder/userfiles/files/xugimazitojolaxiguka.pdfIn PDF document text
- http://24cvety.ru/upload/files/72075432023.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/julogaterojaluxabew.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/47427594753.pdfIn PDF document text
- http://transchem-tech.com/Uploadfiles/files/55982852331.pdfIn PDF document text
- http://jawarakreasi.com/file/64271706941.pdfIn PDF document text
- http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/sabute.pdfIn PDF document text
- http://daearesort.com/FileData/ckfinder/files/20210905_A55C53A116C81AF1.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/nekupusivetobu.pdfIn PDF document text
- https://factorysales.com/userfiles/files/zasivenanura.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20210906152514699.pdfIn PDF document text
- https://kirmatas.com/userfiles/file/89959744016.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/jokekududafekejasiduteko.pdfIn PDF document text
- http://bayernglobal.de/userVZ/file/40184636238.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/b0950fe1f7b5c32506940bf44afc0f28/ladun.pdfIn PDF document text
- https://hankilfood.com/upfile/files/46352894033.pdfIn PDF document text
- http://dsacare.com/admin/uploads/file/27092485411.pdfIn PDF document text
- http://railwaysrailroads.com/upload_files/files/lixopuluzepemifiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=indian+train+games+simulatorPDF 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_off0000f062.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF062 | 16704 bytes |
SHA-256: e8922663f58d4889d2cac4cd92b9d7c7adc337272c14aec06ba020975803ec11 |
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font_01_sfnt_off00011bdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BDB | 10644 bytes |
SHA-256: f1437dcdc928215772b239d4caf78fd0c03210c022998160c24dd1ca601e7ef5 |
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font_02_sfnt_off000133fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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