MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URIs pointing to external websites, with one heuristic identifying it as a link farm on disposable hosting. The presence of these links suggests an attempt to redirect users to malicious sites for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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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://chcial.ru/uplcv?utm_term=2xl+supercross+hd PDF link annotation
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/bugoduwunakubejoze.pdfIn PDF document text
- http://huynhgiabaohotel.com/uploads/FCK/file/55355984401.pdfIn PDF document text
- https://vespaclubcagliari.com/userfiles/file/mafinazuzerorabejisejos.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/vuxegufubewupi.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210908154537.pdfIn PDF document text
- http://bkmarine.net/ckfinder/userfiles/files/1631555910.pdfIn PDF document text
- https://madame-tina.com/ckfinder/userfiles/files/gopatidofopegetojetuj.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/fanonasigopator.pdfIn PDF document text
- http://cnokorea.com/userfiles/file/wegulikuxosipewiwo.pdfIn PDF document text
- http://nenorm.com/files/files/mekule.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/sarinovekizewis.pdfIn PDF document text
- http://nonstopsushi.com/uploads/files/99123553213.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137cf5d11b0b---vepowupuvexotovoxudu.pdfPDF link annotation
- https://panoramamall.bg/ckeditor/ckfinder/userfiles/files/vowaxatenibuzurimolano.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/34280136325.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0073872ba---8368064301.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/faponomutukebaf.pdfIn PDF document text
- http://newmob.it/userfiles/files/mipitatixif.pdfIn PDF document text
- http://1utilaje.ro/mm/file/gojopozuj.pdfIn PDF document text
- https://biserica-izvorul-tamaduirii.ro/files/89434297811.pdfIn PDF document text
- http://vhshf.de/File/guxuvab.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b15c9c3edd---jivovunakovir.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/15797148811.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_off0000ec93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC93 | 18424 bytes |
SHA-256: 14e04a2d467aabf11ee0a554628440dbbe82dbcba79f0cfd3b0c0a13e396a636 |
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font_01_sfnt_off00011cb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000134d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134D0 | 10380 bytes |
SHA-256: 6c92e5aa676c18729d41c281b42ea8d4995a7c3fd292a56197acb984f0cabff5 |
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