MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains a large number of embedded URLs, many pointing to disposable hosting, suggesting a link farm or phishing lure. The authoring application 'wkhtmltopdf' is noted, but no executable scripts were extracted, and the document body was unreadable.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://philabc.ru/uplcv?utm_term=the+most+dangerous+game+short+story+characters PDF link annotation
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/47a377c5630d38a7d4a800aa3ffa91d8/gitifup.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210912035554.pdfIn PDF document text
- https://umutisi.com/umut/upload/files/dutubuwizamukusumasebazar.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/jifafila.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/fodesisebuvawinej.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/tibulade.pdfIn PDF document text
- http://bscsaoner.in/ckfinder/userfiles/files/32268835704.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecf83260e3---favotiraxuvabiju.pdfIn PDF document text
- http://maginsaatmetal.com/resimlerfiles/43527530275.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/61747741998.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/toxim.pdfIn PDF document text
- https://hongdung.vn/ckeditor/images/files/68506435679.pdfIn PDF document text
- http://nuovartea.eu/userfiles/files/murebusu.pdfIn PDF document text
- http://archiw.bibliotekalesmierz.eu/img/upload/files/veresimoxowiremumudir.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/47798147513.pdfIn PDF document text
- https://edenestates.com/ckfinder/userfiles/files/ruwapiwumukipilo.pdfIn PDF document text
- https://faktxeber.ru/resimler/files/redaxipelijitojubefo.pdfIn PDF document text
- https://ystechpro.com/nbloom/fckuploads/file/wonodojuvaduwowifisukur.pdfIn PDF document text
- http://traktor-tv.de/sites/default/files/file/51792479831.pdfIn PDF document text
- https://labelmarket.eu/data/file/79605302292.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/pifemesabukopomunakeru.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/46584805141.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/rofurukekowapekeruku.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/62691829176.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_off0000bce5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCE5 | 18632 bytes |
SHA-256: d39469f5f14643acf6a8b6e69c468727bc1f7f49b71c16fd35956809b104a646 |
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font_01_sfnt_off0000ecc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E0 | 10856 bytes |
SHA-256: 522571fc6cccd0a86017f71355e895f88326e61822d09148abb82bfcc3bbffc3 |
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