MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a significant number of external URIs, many of which point to disposable hosting and appear to be part of a link farm. The presence of embedded JavaScript suggests an attempt to execute code, likely to facilitate the download or redirection to malicious content. The overall structure and numerous links indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://chcial.ru/uplcv?utm_term=only+play+store+download+apk PDF link annotation
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/jewigazinafilixe.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/55379804114.pdfIn PDF document text
- http://rakkhunnursinghome.com/user_img/files/98892713086.pdfIn PDF document text
- https://martensmgt.com/business_school/uploads/file/vidunekewijibuli.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/17361957630.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d2d54e398---21606900797.pdfIn PDF document text
- https://www.libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/93045317053.pdfIn PDF document text
- http://hcm-invoice.vn/hinhanh_fckeditor/file/58062363425.pdfIn PDF document text
- https://tatvan.in/userfiles/file/totasebariguzujib.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/wewawozopuwupimeg.pdfIn PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/84247381007.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/dizirumito.pdfIn PDF document text
- https://muzpony.de/obrazki/file/xumokafubusoxobodagosowip.pdfIn PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/63510073527.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/zexejowe.pdfIn PDF document text
- http://tnslib.net/userfiles/files/liwito.pdfIn PDF document text
- https://kultmotor.hu/images/files/siwuzos.pdfIn PDF document text
- http://www.de.ruben.pl/ckfinder/userfiles/files/wapasegazujunolusa.pdfIn PDF document text
- https://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/mepixowuwakorepu.pdfIn PDF document text
- http://dalnoboy.net/data/filestorage/upload/files/35336981799.pdfIn PDF document text
- https://ietc-oman.saktoon.com/userfiles/files/3029801404.pdfIn PDF document text
- http://w3-japan.com/js/upload/files/kofevojipudululomemi.pdfIn PDF document text
- https://combrooncom.com/contents/files/mosopudonubikujige.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f6f805430---43956460840.pdfIn PDF document text
- http://yey.uw52.com/upload/files/fojilenasofuvuzetojapu.pdfIn PDF document text
- https://chambres-lannion.fr/userfiles/file/nixuwe.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_off0000c553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC553 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD6A | 10612 bytes |
SHA-256: 1be426b7c2b79348f6fcfd80ed1665fa56735b9671134fdb6040dfd4242fc403 |
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font_02_sfnt_off0000f5f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F5 | 16260 bytes |
SHA-256: d8a148d4cfbb603fda50f62df432dd258fbe126ae00d0f503af3e9f38240d6b2 |
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