MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links to potentially disposable domains, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://dichvuketoanvn.org/uploads/files/50827746475.pdf In PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16143b3496ae15---58515277472.pdfIn PDF document text
- http://kraciowka.pl/userfiles/file/47672401149.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/33668221128.pdfIn PDF document text
- http://avalon-essenzen.at/userfiles/file/lijosibufasuranagofomaru.pdfIn PDF document text
- http://cdmatik.com/uploads/file/pojekepabugu.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/wategegulopujefezupav.pdfIn PDF document text
- http://geoplan.su/userfiles/file/dejisuzekut.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/doterilodobukagaxiluxe.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/32021927672.pdfIn PDF document text
- http://epmachine.ru/d/files/misole.pdfIn PDF document text
- http://www.gulbaharsigorta.com/contentData/file/sidawilelagolilugebaf.pdfIn PDF document text
- https://dansobentre.net/uploads/file/piruturim.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/66656682621.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/noguwosexuzewarebajawumam.pdfIn PDF document text
- https://leuphuotcamap.com/uploads/image/files/sevigavejepalewezigipizux.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/19165793606.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/59270518110.pdfIn PDF document text
- https://halkum.rs/files/wokapukubisifofi.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161591b1932163---89016450738.pdfIn PDF document text
- http://hexindechem.com/upload/files/42101418820.pdfIn PDF document text
- https://cytokin.ca/upload/editor/file/28383574115.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/vixorotomukumosalavin.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/pevumimafowad.pdfIn PDF document text
- https://giolog.biz/images/bulk_images/files/wumazubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=batman+v+superman+ultimate+edition+watch+online+freePDF 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_off0000e1ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AB | 11188 bytes |
SHA-256: fe573589e499331eac2c992bfa407ef247bb41c2814156f788ab92616a808b34 |
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font_01_sfnt_off0000fbb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB6 | 20616 bytes |
SHA-256: 1954dfe00eed36f52ac8254729ffeeddc96c482415e7b5b5c0160d1512177da4 |
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font_02_sfnt_off000130d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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