MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, indicating a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://inwebjor.ru/uplcv?utm_term=cbse+9+maths+book PDF link annotation
- http://djarkitek.com/temp/vinney/HTML/userfiles/file/735958972.pdfIn PDF document text
- http://hk-sai.com/ckfinder/userfiles/files/sivubirobofujiluvipoton.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/5273990773.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/bemegajabujawewunusej.pdfIn PDF document text
- http://dierenwinkelindex.nl/images/uploads/mujibetubaduw.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/64340430360.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/sapipujujikozajudavo.pdfIn PDF document text
- https://bisleriwheel.genefied.co/ckfinder/userfiles/files/fovurotef.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613358af42845---jezowavunujegosumatipub.pdfIn PDF document text
- http://studiomarcheluzzo.it/userfiles/files/70166067976.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210901132028061.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/54487733749.pdfIn PDF document text
- https://oykufestivali.com/ckfinder/userfiles/files/61147619396.pdfIn PDF document text
- https://keyword-lda.pt/site/upload/file/dulufigiru.pdfIn PDF document text
- https://indianhairtransplant.com/ckfinder/userfiles/files/57521043308.pdfIn PDF document text
- http://aotwresort.info/ckfinder/userfiles/files/wobekufo.pdfIn PDF document text
- http://infinivideo.hu/sites/infinivideo/files/99221947687.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/63622356418.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/jozedufusete.pdfIn PDF document text
- http://revistaspontan.ro/assets/ckfinder/core/connector/php/uploads/files/tusuxa.pdfIn PDF document text
- http://reanda.com/jingkelun/userfiles/files/20210914040751.pdfIn PDF document text
- http://congtyvima.com/images/Download/dufibutow.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd04242505---95897784927.pdfIn PDF document text
- http://esangsok.com/upfile/files/paxurebi.pdfIn PDF document text
- http://wdnederland.nl/file/8321414488.pdfIn PDF document text
- http://piotrkowska77.pl/zdjeciafile/gekepanup.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_off000102de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102DE | 18432 bytes |
SHA-256: fc4cbdbc7d47431cc94910b39960d1b0f5f564b2d8d8dd9927d66fdd5148d396 |
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font_01_sfnt_off00013302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13302 | 10460 bytes |
SHA-256: 857118a3344b62a585d6d4678683c89ae979abe29cd7859f7aa2d2d40135619f |
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font_02_sfnt_off00014ae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AE5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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