MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a likely phishing or malware distribution scheme. The heuristic 'SE_URGENCY_LURE' suggests the document may employ deceptive language to prompt immediate user action.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://irlanc.ru/uplcv?utm_term=keam+chapter+wise+questions+and+answers PDF link annotation
- https://chsromania.managenet.ro/images/file/78119745381.pdfIn PDF document text
- http://devison-matras.com/upload/file/37735114578.pdfIn PDF document text
- http://dakov.hu/_user/file/vulolokepigumaru.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613e21ad9b07e---17210941482.pdfIn PDF document text
- https://silverlabpupsforsale.com/userfiles/files/navibibumaseposa.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/nuzabojo.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/10787957962.pdfIn PDF document text
- http://rayanchem.com/d/files/27534892948.pdfIn PDF document text
- https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/dibeko.pdfIn PDF document text
- http://galluccifaibano.com/userfiles/file/2584216321.pdfIn PDF document text
- http://progettarecasa.com/userfiles/files/14507277683.pdfIn PDF document text
- http://uni-farm.pl/ckfinder/userfiles/files/mutuwarewasosugesesil.pdfIn PDF document text
- http://dentistturkey.com/image/files/korekukumonukeb.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/75729048198.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/kimitawigibefiwovipazupoz.pdfIn PDF document text
- http://www.startservis.sk/novy/ckfinder/userfiles/files/povinebawivopisawa.pdfIn PDF document text
- https://datatech-int.com/userfiles/file/40554807488.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/mevoror.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/6r1ueqm7mgtf5g216sb3i09mp1/71809793848.pdfIn PDF document text
- http://friulanapanini.com/images/file/vukukenenakotu.pdfIn PDF document text
- https://kinizsibank.inweb.hu/_user/file/53029610262.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/6870807346.pdfIn PDF document text
- https://ebal.ro/app/webroot/files/userfiles/files/40237254937.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/sobek.pdfIn PDF document text
- https://lyonsinn.com/nbloom/fckuploads/file/26817154416.pdfIn PDF document text
- 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_off0000e430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE430 | 18152 bytes |
SHA-256: 178816dd32b8690f8d1f0342e7ea05161162ad7f3554bbf394619c9bd9aa8d64 |
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font_01_sfnt_off0001136a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1136A | 11056 bytes |
SHA-256: 5d59684300487dd755649413dedfd568048f672e5977820772efc73cb2e5de3f |
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font_02_sfnt_off00012cd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CD3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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