MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and is structured as a link farm, suggesting it's designed to redirect users to potentially harmful websites. The presence of embedded URLs and the heuristic indicating a link farm on disposable hosting further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crysiq.ru/uplcv?utm_term=mixing+what+colors+make+orange PDF link annotation
- http://wijnhuis-vaessen.nl/site/data/ws/files/pipev.pdfIn PDF document text
- https://semangkabiji.com/contents/files/29678148833.pdfIn PDF document text
- https://sskundal.com/userfiles/file/misavovufefejirufatore.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/59239420404.pdfIn PDF document text
- https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/60704541973.pdfIn PDF document text
- http://etasystem.net/userfiles/files/putoxixeb.pdfIn PDF document text
- http://osayit.com/images/file/58870248515.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/58985164147.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/getebetiteroxapebelabege.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5f5b70e2e---rimagufebebifozis.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/69232118567.pdfIn PDF document text
- http://chetaomaynganhnhua.com/uploads/files/65997986338.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210907183821.pdfIn PDF document text
- https://watosaphotography.com/app/webroot/userfiles/files/20210908_025242.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/bizosaporabu.pdfIn PDF document text
- https://elperrocallejero.info/ckfinder/files/nesorodokonesetijufa.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/xevupezewumibatenido.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161378df6e3a3d---50233046159.pdfIn PDF document text
- http://springgalleryng.com/Images_upload/files/98919068115.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles/file/fawifunixivipibavaxa.pdfIn PDF document text
- https://togelunited4d.com/contents/files/vapubivemevumizenaro.pdfIn PDF document text
- http://4darchitecture.org/img/all/65192841472.pdfIn PDF document text
- http://mobydick-band.de/fckdata/file/dewosilinala.pdfIn PDF document text
- http://hainescentreasia.com/images/file/38951431880.pdfIn PDF document text
- http://snnet.kr/board_pds/fckeditor/2021/09/file/46192416870.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_off0000e51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51E | 17452 bytes |
SHA-256: 4657f4836da694cc24287203dd6ba399fb97b4aceaa0734a463140d528ebb744 |
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font_01_sfnt_off000111cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111CC | 10948 bytes |
SHA-256: ee6a760663a70430dc0800c8abfb1a1ade0606721b1f7c2035d456ffbe6dfb7b |
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font_02_sfnt_off00012b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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