MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also features a large number of external URIs, many of which point to disposable domains, indicating a potential link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://drafthe.ru/uplcv?utm_term=all+the+planets+in+order+from+the+sun PDF link annotation
- http://botosani.ro/img/uploads/file/gonisifopis.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/57643008925.pdfIn PDF document text
- http://antropolog.ru/userfiles/file/1964138622.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090700473673499.pdfIn PDF document text
- http://miskolciharsona.hu/pictures/file/fesekixuresovajaku.pdfIn PDF document text
- http://www.omt.ntou.edu.tw/ckfinder/userfiles/files/77362198068.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/sovegowukepafijedapiporij.pdfIn PDF document text
- https://digireg.li/upload/72616214555.pdfIn PDF document text
- http://sherwoodchambergolf.org/ckfinder/userfiles/files/79232130828.pdfIn PDF document text
- http://sirindhorn.net/upload/File/91364929057.pdfIn PDF document text
- http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210902051444301766mdfb7g.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/pesepatelukejuli.pdfIn PDF document text
- https://thisissati.com/userfiles/files/melobonus.pdfIn PDF document text
- http://basketaci.cz/UserFiles/File/58914961266.pdfIn PDF document text
- https://profm.hu/files/file/15474994590.pdfIn PDF document text
- http://changrung.com/ckfinder/userfiles/files/gomedusakewotikaxelegupe.pdfIn PDF document text
- http://tourister.kr/userfiles/file/vugusefufimuxitalegi.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210902065324.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/wejutevulizozelobuweni.pdfIn PDF document text
- http://asv-solnice.cz/_files/file/sugifibakenok.pdfIn PDF document text
- https://ghadir-eng.com/userfiles/files/baxanuzumiso.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d66ff3e5a---xosexininowukalekilawis.pdfIn PDF document text
- http://nujhimachal.in/img/uploads/files/befinubawugojawikeworujur.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b2b53abeb0500ca499aa3fea9c7a372d/61715513093.pdfIn PDF document text
- https://careerroots.net/ckfinder/userfiles/files/pavuzawamevomi.pdfIn PDF document text
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/74028093820.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_off0000f7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C9 | 17580 bytes |
SHA-256: b7160b5ab64f2147edeb682242cea4ece54def21cf6f789343ecdb93f7d3eae2 |
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font_01_sfnt_off00012511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12511 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D28 | 10844 bytes |
SHA-256: 3606030669ad74560022a012228ad639949088c18815fa9b15eb2f074f036b25 |
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