MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. The document contains a large number of embedded URLs, many pointing to disposable hosting, suggesting a link farm or phishing lure. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly indicate an attempt to direct users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=depressing+but+true+quotes PDF link annotation
- http://stroyindustry.com/userfiles/file/niberakopabiluwep.pdfIn PDF document text
- http://lammermoor.net/imagenes/file/40613967229.pdfIn PDF document text
- https://savitravel.ro/ckfinder/userfiles/files/pibinefafivanume.pdfIn PDF document text
- https://hk-delight.com/UploadFiles/file/xadugowe.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/loxivesonejagerodu.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407fac4d98e---fuwakuxobonavinasowodebu.pdfIn PDF document text
- http://vipforiraq.com/userfiles/files/83609744246.pdfIn PDF document text
- http://klhl.com/userfiles/file/wedutaxidi.pdfIn PDF document text
- https://taperagi.com/contents/files/lilavenoguwefil.pdfIn PDF document text
- http://softwarefactory.nl/images/file/47097803045.pdfIn PDF document text
- http://iviltra.lt/images/files/38899285421.pdfIn PDF document text
- https://hamzakocakoglu.com/userfiles/file/zazatuwimidelitoxefopalu.pdfIn PDF document text
- http://gabinetortodontyczny.eu/userfiles/file/vuseviw.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210901142437527.pdfIn PDF document text
- http://pacemakerpressintl.com/uploads/assets/file/dugag.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/xapeweroradamevilazo.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/btdq7ur32m45mvuuf9ip2p6fin/94616386298.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210910223720.pdfIn PDF document text
- http://sungwoo-n.com/userfiles/file/gowuvu.pdfIn PDF document text
- https://go2germany.ru/files/file/72653161410.pdfIn PDF document text
- https://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/refevufoxefusav.pdfIn PDF document text
- http://abwingsde.com/uploads/files/rolerolobe.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/88473587486.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/12204356258.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_off0000ea2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2C | 18572 bytes |
SHA-256: c4f0ac6a993735637c239d81150b55e027aa2d610ada46cb200dd4cf93cf4a74 |
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font_01_sfnt_off00011a3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013253.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13253 | 10604 bytes |
SHA-256: b9998c7e99eb3e8122d88457e8f857cab3b4441b63ad0f54fdec799ac31f867a |
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