MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are linked to disposable hosting and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://wastran.ru/uplcv?utm_term=book+of+jasher+pdf+free+download PDF link annotation
- http://rockycheng.com/ckfinder/userfiles/files/fojebuxirabotez.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/12196714144.pdfIn PDF document text
- https://gberwanda.com/gbe/useruploads/blogs/files/mufazalefikojodukuna.pdfIn PDF document text
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/14185166663.pdfIn PDF document text
- https://costarica4d.com/contents/files/86118254719.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/84106459462.pdfIn PDF document text
- http://gok-maciejowice.pl/js/ckfinder/userfiles/files/75220267837.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/badipugu.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409199cb8fb---nefupuma.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/1263158746.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/57308926953.pdfIn PDF document text
- http://sacmacbook.net/userfiles/file/94770201411.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/nesigowiguxo.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ar7a7ucnjqm5ud0u5i61jjt98c/vumafudutodipixerure.pdfIn PDF document text
- https://konyaalotaksi.com/userfiles/file/31552952657.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/bibefolovevemopotimuke.pdfIn PDF document text
- http://pactolous.hu/upload/file/pikevido.pdfIn PDF document text
- http://15441707.com/data/board/file/20210905045319.pdfIn PDF document text
- http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631221863.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/39195084736.pdfIn PDF document text
- http://ekorob.pl/userfiles/file/89426899841.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/betogo.pdfIn PDF document text
- http://as-eng.biz/userfiles/file/tivejusafomaseroxanolu.pdfIn PDF document text
- http://www.rpv-drachten.nl/files/file/12398543533.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_off0000cdd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E8 | 21504 bytes |
SHA-256: d9ee48d8a4d70b1d260b41f29407f002339727bcb736aaae9f9e2024406e569b |
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font_02_sfnt_off00011e3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E3D | 10764 bytes |
SHA-256: 7ac077e3332a59a34eeb53d374ab1f0a5f4fa82d4810bec5974237330b9926b6 |
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