MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection to external URLs, as suggested by the 'PDF_URI' and 'EMBEDDED_URL' findings, which are often used in phishing campaigns or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9894
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 http://feg.vn/uploads/files/24242711692.pdf In PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/fasotebabezunox.pdfIn PDF document text
- http://solee56.com/ckfinder/userfiles/files/20787889415.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/zufodinukexi.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/xawisoz.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/26639866708.pdfIn PDF document text
- https://kapokcmassage.com/uploads/files/202109011836257500.pdfIn PDF document text
- https://r4binsh4h9-att.com/contents/files/kivokajemiziwofaseguvi.pdfIn PDF document text
- http://yuli-china.ru/d/files/20561142125.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/95375522044.pdfIn PDF document text
- http://radissonhoteltraining.com/userfiles/file/poboxumelutaxumi.pdfIn PDF document text
- http://abwingsmd.com/uploads/files/91795768492.pdfIn PDF document text
- http://www.phuongdonggolf.vn/app/webroot/uploads/files/memawemurifuses.pdfIn PDF document text
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/kokiwudafeda.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef1d12bec3---10482893515.pdfIn PDF document text
- http://thegioioto.store/upload/files/gutovexibebojoronolepe.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/kovovep.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/71068570821.pdfIn PDF document text
- http://skisun.it/userfiles/files/12559065849.pdfIn PDF document text
- http://amongelite.com/ci/userfiles/files/68877796015.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/wedefunawutosow.pdfIn PDF document text
- https://digireg.es/upload/wataregulage.pdfIn PDF document text
- http://hasicimosnov.cz/foto/Image/file/xuzararusibatuzorimak.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/8cd192fb4c0424e22f5741b63a56ad58/xujur.pdfIn PDF document text
- http://runhouchem.com/upload/files/zawiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=flags+of+our+fathers+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_off0000da6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA6A | 10660 bytes |
SHA-256: 23c5b231bf640724ba4a9f871549d0cbab00823dd09d5c773e3a906f2ff1e4e9 |
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font_01_sfnt_off0000f2c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2C7 | 18252 bytes |
SHA-256: e9a42e219d70919b9b780dc5d2762f7aaee27d1d0be961c562e72520f5adf15f |
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font_02_sfnt_off00012278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12278 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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