MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and a high density of external links, many pointing to disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://synerhu.ru/uplcv?utm_term=dls+2017+obb PDF link annotation
- https://coaching-jk-academic.com/ckfinder/userfiles/files/muxonunofik.pdfIn PDF document text
- http://hiro-seiko.com/upload/files/54872991315.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/43449099086.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/84117636563.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/38404433105.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/lofedibugulawijunexorezej.pdfIn PDF document text
- https://dobski.pl/userfiles/file/63124431723.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/bavugisafefad.pdfIn PDF document text
- http://4darchitecture.org/img/all/budusovijopivibikinu.pdfIn PDF document text
- https://sanagustin.cl/files/ralazulezajupeki.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f91b962866---zajojop.pdfIn PDF document text
- https://www.delaneyllc.com/ckfinder/userfiles/files/wigitavigivolebup.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/5192921440.pdfIn PDF document text
- http://tucholainfo.pl/userfiles/file/27589029177.pdfIn PDF document text
- http://hiace-yoshikawa.com/js/upload/files/15206385743.pdfIn PDF document text
- http://www.tiande-global.com/ckfinder/userfiles/files/98652033037.pdfIn PDF document text
- https://tommytest.dish1314.com/data/html_editor/files/dijaxi.pdfIn PDF document text
- http://geologocarmignani.com/userfiles/files/vafuxosagenuke.pdfIn PDF document text
- http://npi-management.org/ressource/site-image/files/70639594636.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/62832608527.pdfIn PDF document text
- https://dorfadvertising.com/ckfinder/userfiles/files/36852297082.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/83195785023.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/kafadudofosibovoxasotivam.pdfIn PDF document text
- https://pomacanthe-art.fr/imagebeforeafter/files/35516770235.pdfIn PDF document text
- https://tainandentist.com/uploads/files/202109021727344696.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/fogigikorubasul.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_off0000d063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD063 | 20580 bytes |
SHA-256: cd7f8654aefa44f3b3e12469a8f4650d14a36978df52a92a9384f171dd06d362 |
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font_01_sfnt_off00010633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10633 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E49 | 9896 bytes |
SHA-256: 1d8c77cf6bc204ea881df19dff8b725664162dbe5f5150a8b4495cdbae461e3b |
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