MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of embedded links pointing to various domains, suggesting a link farm or phishing campaign. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://coretry.ru/uplcv?utm_term=common+ratio+of+arithmetic+sequence PDF link annotation
- https://webshopplus.nl/app/webroot/files/userfiles/files/73663780883.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/41638586463.pdfIn PDF document text
- http://hevolta.com/upload/file/veribamavelujegorojisef.pdfIn PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/40328963749.pdfIn PDF document text
- http://prospekt-rostov.ru/ckfinder/userfiles/files/niluwasowesepenegoxoxuj.pdfIn PDF document text
- http://hospitalitan.com/sites/default/files/file/31166327259.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/melebofunetusiniwek.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/kamode.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/12500308074.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/kumigonaxafuzewulomirapa.pdfIn PDF document text
- https://brincandoeaprendendo.com/fotosempresa/files/77879136359.pdfIn PDF document text
- http://intertribo.sk/files/49242691075.pdfIn PDF document text
- https://hse.tw/upload/file/fobegigejawodapaj.pdfIn PDF document text
- http://khachsanmyngoc.com/upload/files/42675291411.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/93724089017.pdfIn PDF document text
- http://nirmalapublicschoolerumely.com/userfiles/file/gojumobojagalow.pdfIn PDF document text
- http://cngwalk.com/fckeditor/userfiles/image/nawazavabepukeraze.pdfIn PDF document text
- https://showerdrainplus.com/uploads/files/202109220257073641.pdfIn PDF document text
- https://muahohangnhat.com/app/webroot/uploads/files/29126088991.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/79424964418.pdfIn PDF document text
- http://hatowo.com/app/webroot/uploads/files/10480796155.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161591cb5094c5---55648376024.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e642044816---77218938140.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_off0000c699.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC699 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000deab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAB | 18688 bytes |
SHA-256: 8c52914162b2184a071275d8cff468d39a296d7d282dd9a685af4540ccb84e85 |
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font_02_sfnt_off00010ec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC7 | 10832 bytes |
SHA-256: 1414310f9f6b426583d36d8b5591c220927474de57f42894f2b258b9cd3c831a |
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