MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for malicious PDFs to execute code or redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates it's part of a link farm, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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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://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614809503a9b4---sigeva.pdf In PDF document text
- http://akiisushi.com/uploads/files/35842801494.pdfIn PDF document text
- http://hoadondientu-ptp.vn/images/ckeditor/files/2994574392.pdfIn PDF document text
- http://geoodwierty.pl/files/file/lumexofuboxowizojugag.pdfIn PDF document text
- http://gewoongroen.eu/app/webroot/files/userfiles/files/lewibu.pdfIn PDF document text
- http://garageanything.com/js/upload/files/sebenamuvema.pdfIn PDF document text
- http://officegate.biz/admin/fck_upload/file/54611739653.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/6114320983.pdfIn PDF document text
- https://berettyotv.hu/userfiles/files/75001104666.pdfIn PDF document text
- https://dottoridegregorio.it/public/file/31314905681.pdfIn PDF document text
- http://asclyziarskyklub.sk/userfiles/file/59619931350.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/83488576752.pdfIn PDF document text
- http://colorsoftexas.com/ckfinder/userfiles/uploads/33822036954.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/65984712242.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/72219396641.pdfIn PDF document text
- http://maksimetall.ru/files/42625450243.pdfIn PDF document text
- http://mtkshop.com/images/uploads/file/35788996170.pdfIn PDF document text
- https://vinamex.info/uploads/news_file/xelirerowirurivata.pdfIn PDF document text
- http://e68momo.com/shopadmin/upload/files/47605919697.pdfIn PDF document text
- http://msiutilities.biz/documents/67610654024.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/50785188964.pdfIn PDF document text
- https://www.bosingels.nl/ckfinder/userfiles/files/pofuwotiluwomakalinisuwup.pdfIn PDF document text
- http://dade666.com/userfiles/202109file/2021091604220470554.pdfIn PDF document text
- http://yokosohk.com/files/fckfiles/file/65250456082.pdfIn PDF document text
- https://cplastik.net/data/cms/file/waromevejetabiparudewiku.pdfIn PDF document text
- http://elhammagazine.com/ckfinder/userfiles/files/67898800117.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=fire+7+operating+systemPDF 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_off0000b795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB795 | 15244 bytes |
SHA-256: 35cf0d0672cb3694a525b2cf7f8f6346b413f1b562f3b796e4e12166ef01479a |
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font_01_sfnt_off0000de9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9C | 10692 bytes |
SHA-256: ffe5ed87bb4ae216d5be4a4c1aaa609a1e470a7b065903332f756326189ae2c0 |
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font_02_sfnt_off0000f737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF737 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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