MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of external links pointing to various PDF files hosted on potentially disposable domains, suggesting a link farm or SEO poisoning attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to distribute further malware or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 http://htcable.cn/d/files/40045764675.pdf In PDF document text
- https://alrukn.co/userfiles/files/jozudarufufodali.pdfIn PDF document text
- http://maulich.vn/attachment/files/vavej.pdfIn PDF document text
- https://www.groupe-coelho.fr/ckfinder/userfiles/files/63917885972.pdfIn PDF document text
- http://sdes.in/uploads/4219658628.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/33152805675.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/sogewavomujogiranobi.pdfIn PDF document text
- https://cebrigantina.com/025-CEB/images-editor/file/wigeweraxobufisu.pdfIn PDF document text
- https://hbfilm.ca/resimler/files/24956737193.pdfIn PDF document text
- https://matratva.in/userfiles/file/79795992577.pdfIn PDF document text
- https://cqhuaan.myhost360.cn/upload/files/09-16-02-31-43-58.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161422a27c0cfd---zatabirazejesugagutepipam.pdfIn PDF document text
- http://narnivet.com/userfiles/files/nudivixeve.pdfIn PDF document text
- http://kibbkw.com/uploads/files/nunadedopebaja.pdfIn PDF document text
- http://lifeline-sports.com/files/file/sezijefewogunabubapeti.pdfIn PDF document text
- https://mediaget.ru/userfiles/files/favowowewadubuf.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaf135a463---665805171.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/pofafi.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/ramapugi.pdfIn PDF document text
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/saxokuvideda.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/1764572596.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/pixedugezilazo.pdfIn PDF document text
- http://www.electricman.in/demo/frontend/web/uploads/files/wibutaxekorigakik.pdfIn PDF document text
- http://hanyuchina.com/upload/files/jopudejawifoloramasiriv.pdfIn PDF document text
- http://vmkmsz.hu/userfiles/file/5518461868.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=gta+3+ipad+cheats+without+keyboardPDF 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_off0000c46b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC46B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC82 | 11204 bytes |
SHA-256: b07b9176b3fa647669022f62fc2acf047ae78d5a37bc322336b599d435a219c3 |
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font_02_sfnt_off0000f6d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D2 | 17348 bytes |
SHA-256: 8ccff6910af1d05f426bd1205723f69c74dabe1cf903b740c031c26ae014cd8d |
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