MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms, suggesting a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the PDF is designed to host many links on potentially untrusted sites. No scripts were extracted, but the presence of many external URIs is a strong indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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=oxford+advanced+learner%27s+dictionary+10th+edition+apk+crack PDF link annotation
- https://kligi.viart.lt/ckfinder/userfiles/files/81854703253.pdfIn PDF document text
- http://1000projects.ru/upload_picture/file/25674579715.pdfIn PDF document text
- http://konberdbio.com/upload/files/18998417886.pdfIn PDF document text
- http://www.yeosung21.or.kr/ckfinder/userfiles/files/1631411808.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/zifokokufa.pdfIn PDF document text
- http://www.pics4us.de/userfiles/file/xajavikoketaxixiwubur.pdfIn PDF document text
- http://gorod-r.com/userfiles/file/newiwojunovifa.pdfIn PDF document text
- http://matras-devison.ru/upload/file/pubizosuvolaribonifusolo.pdfIn PDF document text
- http://sandlnae.com/data/editor/file/bidifam.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/59204280903.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/12243567531.pdfIn PDF document text
- http://quaisetoiles.fr/img_pages/file/xanigilegek.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2867ade4b---nigonuvaz.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/kesivexamosejavu.pdfIn PDF document text
- http://tai-yang.tw/taiyang/upload/file/daxoxileru.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/zusulitevivurubakivoxon.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bac4fbc698---rijunimatudarofema.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/12588517659.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/gibuzugonogutitizokuwo.pdfIn PDF document text
- http://apisicul.com/userfiles/files/lugerakepudonoxelikaser.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/31521890068.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/larasarisoxemojuj.pdfIn PDF document text
- http://dungculamdep.com/fckeditor_userfiles/file/33892704316.pdfIn PDF document text
- http://stefani.cz/fck/file/fagomuv.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/69109491511.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_off0000d7ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE0 | 19744 bytes |
SHA-256: ebd4d7d1dab4c97a6a3d1cac46fe67dd45b33b0575860c3b0604a6eb22b7eb5f |
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font_02_sfnt_off00012389.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12389 | 11324 bytes |
SHA-256: 6e504fdac7245978a94d481fd5c7b34e96e424e5a7f7436d7b823940ecb3b1df |
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