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 hosted on disposable domains, indicating a link farm designed to obscure the true malicious destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://signos.larrialdiak.es/files/galeria/files/68070077468.pdf In PDF document text
- http://thepokewave.com/uploads/files/sixisolofuroketezeluxoro.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/9155122984.pdfIn PDF document text
- http://poetische-malerei.de/web/editor/files/riwidij.pdfIn PDF document text
- http://tagsu.com/attachments/fckattachments/file/17508784609.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/2237439851.pdfIn PDF document text
- https://baptistfriends.org/media/lezakupopeworerasosulixup.pdfIn PDF document text
- http://elmbbq.com/uploads/files/jipilep.pdfIn PDF document text
- http://adria-ex.com/images/blog/file/34880277335.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/wadev.pdfIn PDF document text
- http://edisonprivateschoolbeta.com/cote_dor_import/admin/ckfinder/userfiles/files/natid.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16158846fc874d---vevikezinodifosaxoraze.pdfIn PDF document text
- http://savaksangida.com/resimler/files/7055950894.pdfIn PDF document text
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/11779354862.pdfIn PDF document text
- http://usa-ex.com/images/blog/file/gumokapawomivo.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/dinilokajiwazojimila.pdfIn PDF document text
- http://culvercity.ilovepokebar.com/uploads/files/88628072164.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109300443543364.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/33116929741.pdfIn PDF document text
- http://hacoauto.vn/upload/files/5934813246.pdfIn PDF document text
- https://dulichsamson.co/admin/webroot/upload/image/files/99418709481.pdfIn PDF document text
- http://cantinachitarra.it/userfiles/file/xuxamadojoguxejiregobona.pdfIn PDF document text
- https://migger.dk/userimages/file/88227586285.pdfIn PDF document text
- https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/10892762926.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=number+1+chinese+new+cityPDF 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_off0000f3f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F9 | 10636 bytes |
SHA-256: 813c07ed400757301d46c37bc7ec47501ccfd813b64aaebb90a12d8975d066ab |
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font_01_sfnt_off00010c41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12453 | 22316 bytes |
SHA-256: 40e499255a26daf4429463c27d6314ecc3daa43e0ec2880726ed8054b881ca26 |
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