MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also includes numerous external URIs, many pointing to disposable domains, suggesting a link farm designed to obscure the ultimate destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://bfcy88.com/uploads/files/mabinowusapunipuselotab.pdf In PDF document text
- http://ausafe.net/images/art/files/95136712025.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/68523718403.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/22010643666.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/80602519531.pdfIn PDF document text
- https://eravikulamnationalpark.org/ckfinder/userfiles/files/72724562458.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/2391812654.pdfIn PDF document text
- http://babyindex.nl/images/uploads/42627478223.pdfIn PDF document text
- https://trystsalonri.com/images/file/jifofulixovevewasibupoxuw.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/77900994965.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/sipumonedew.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/3b3bd9bae339583869e0c55b6e7a72cd/xakorozukuzetobipixizor.pdfIn PDF document text
- http://paoladebenedetti.eu/userfiles/files/86418209646.pdfIn PDF document text
- http://www.dreamstoreonline.es/ckfinder/userfiles/files/gevuwirutojomudep.pdfIn PDF document text
- http://www.centrosanmarco.eu/img/news/files/30599328432.pdfIn PDF document text
- http://fiumaradelsossio.it/userfiles/files/35035101093.pdfIn PDF document text
- http://cloverdiamond.com/file/96690413718.pdfIn PDF document text
- http://travellerisland.com/files/zebeguzix.pdfIn PDF document text
- http://alanaf.ru/userfiles/files/fepewife.pdfIn PDF document text
- https://viadagio.be/userfiles/file/fizawipebeti.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/jeborerakobejoluxub.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16143623a37cd7---98948019838.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/83208548926.pdfIn PDF document text
- http://pitin-akutsu.com/js/upload/files/47291205327.pdfIn PDF document text
- http://sivam.pl/files/file/jufukezisiro.pdfIn PDF document text
- http://cabinet-blin.fr/ressource/site-image/files/fijexubepebatiri.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=ppsspp+gold+gamePDF 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_off0000b4be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4BE | 10344 bytes |
SHA-256: 71a2915a74ca3fff291399843491e5326ade553228047ee7eb99f1492b735b6c |
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font_01_sfnt_off0000cbe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F8 | 17384 bytes |
SHA-256: d989a7186797cf1b8db3b56a061eb8c9f2bad0897ec0b8eb125e07139be7851e |
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