MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The file is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also hosts a large number of external links, many pointing to disposable domains, indicating a likely phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=completing+the+square+examples+step+by+step PDF link annotation
- http://mtcnx.com/upload/fckimagesfile/dililejomudodaxeje.pdfIn PDF document text
- http://feldbach-tourismus.at/files/regusejo.pdfIn PDF document text
- http://uniradioweb.info/userfiles/files/57862238751.pdfIn PDF document text
- http://bfcy88.com/uploads/files/35758037502.pdfIn PDF document text
- http://xueyuan.zlyxgw.com/uploads/ckeditor/files/20210916022505.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/54003137029.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0800e2abb---denipizuje.pdfIn PDF document text
- https://b7b.reviewz.eu/app/webroot/files/userfiles/files/90595893291.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/38187873512.pdfIn PDF document text
- http://iktoktatas.hu/files/file/zevuvolenafofisabipawukal.pdfIn PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/82969209641.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/jodeleva.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/ah8qk9rros2lgm41ihdke62ji4/merejasiwizaz.pdfIn PDF document text
- https://506hlapeta.com/files/file/waritibijinite.pdfIn PDF document text
- https://bibliotheque-des-arts.com/ckfinder/userfiles/files/50053186395.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/83521851581.pdfIn PDF document text
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/zogexekiranak.pdfIn PDF document text
- http://dkmmotor.com/files/userfiles/file/rulajurenab.pdfIn PDF document text
- http://studioaba.net/userfiles/files/1235302507.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/48641591469.pdfIn PDF document text
- http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/16423280171.pdfIn PDF document text
- http://come2menorca.com/images/file/bofuwamut.pdfIn PDF document text
- https://ataru.site/js/ckfinder/userfiles/files/10245127884.pdfIn PDF document text
- http://tienphat.vn/imagesflashupload/file/51234526776.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_off0000ddfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFB | 18672 bytes |
SHA-256: a8850cbe80aaeb7005907e0310e5189ae2785e2034fe87fc1f64dc3b16b22950 |
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font_01_sfnt_off00010e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E39 | 11332 bytes |
SHA-256: e39d2f1ccdd07fb62a3b216a47eaa5dacb036896551057dcd6b9da2deadfe8a3 |
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font_02_sfnt_off0001282d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1282D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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