MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to disposable domains, suggesting a link farm or phishing campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to create a large number of links on low-reputation hosting. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9750
Heuristics 5
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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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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://catamma.ru/uplcv?utm_term=liens+and+easements+are+both+severable PDF link annotation
- https://implant-drill.com/userfiles/file/gafofapelel.pdfIn PDF document text
- http://irinaburmistrova.ru/files/34813917512.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/21831611713.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/45949190585.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/805p60fi4ptjgusvg1n8t89kb1/65569854573.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/43906607555.pdfIn PDF document text
- http://www.pethouse.es/ckfinder/userfiles/files/51531725836.pdfIn PDF document text
- http://kalbaninc.com/userfiles/file/3809546632.pdfIn PDF document text
- http://ipayon.com/root/FCKeditor/file/12189788994.pdfIn PDF document text
- http://bpsstudio.hu/uploads/31380270280.pdfIn PDF document text
- http://freetds.net/userfiles/file/80311767381.pdfIn PDF document text
- http://aexpress.lv/index/images/up/file/70226910739.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/55307334052.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/91058493723.pdfIn PDF document text
- http://belloverde.net/emailer/file/30504157629.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/bigake.pdfIn PDF document text
- https://nsstore.mx/ckeditor/ckfinder/archivossubidos/files/salusebuvofanuj.pdfIn PDF document text
- http://metamorfoza-krosno.pl/userfiles/file/mavubogavovem.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/masikinilu.pdfIn PDF document text
- http://totoquynhhuong.com/upload/files/supupakowovininaxofojasuk.pdfIn PDF document text
- http://wellogo.in/userfiles/file///dafugewaselolazixamotojen.pdfIn PDF document text
- http://dream-mebel.com/pic/file/27013463772.pdfIn PDF document text
- http://iproperty.ae/userfiles/file/vaxitaralugu.pdfIn PDF document text
- http://casaledellasignora.it/userfiles/files/keruvosurapu.pdfIn PDF document text
- https://langumeistras.lt/i/File/93677064635.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/manotubuwebukevalezevot.pdfIn PDF document text
- http://tatooazh.ru/files/files/pufexoxonogivutafadaxewi.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/zunabidagi.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_off0001a336.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A336 | 20760 bytes |
SHA-256: e238db42cca6cf60956151c5a57fd14b14d5a2f30227815aabb0cc49bf7dca79 |
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font_01_sfnt_off0001d80a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D80A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001f021.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F021 | 10676 bytes |
SHA-256: 5877e7ccb74406016c37771a5e1ec7fb9361d2b81368a542c968e069d935ef76 |
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