MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. Heuristics indicate it's an image-only document with a clickable action, typical for directing users to external links. Numerous URLs were extracted, many hosted on potentially disposable domains, suggesting a link farm or redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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 http://cosmik-kinoteatr.ru/sadm_files/53127502238.pdf In PDF document text
- http://yhbinternational.com/userfiles/file/19476260323.pdfIn PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/95448681320.pdfIn PDF document text
- https://reha.bg/content/upload/file/97329149418.pdfIn PDF document text
- http://fioredda.com/userfiles/files/36304780796.pdfIn PDF document text
- https://granitnet.hu/editor_up/70595129223.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/gejalokujovela.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210903063211.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/wabopiv.pdfIn PDF document text
- http://candientushinko.com/images/file/16455344885.pdfIn PDF document text
- http://cascad-trans.ru/files/nonubamisupuf.pdfIn PDF document text
- http://weorderfood.com/uploads/files/tanikifexefak.pdfIn PDF document text
- https://qnzar.com/files/70779470696.pdfIn PDF document text
- http://195exim.com/datas/files/wiguvexevibeta.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/65446449861.pdfIn PDF document text
- http://studiolegalezullo.eu/userfiles/files/fikiviporuroro.pdfIn PDF document text
- https://cmottaviproductive.it/uploads/file/43465506705.pdfIn PDF document text
- http://krasneclanky.cz/uploads/37046499916.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/jofedefekuj.pdfIn PDF document text
- http://ninda.vn/userfiles/files/gedaxajaxujuf.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146b0352f979---90629275554.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/nutixukimuvirajit.pdfIn PDF document text
- https://taechoclub.com/FileData/ckfinder/files/20210929_74578AD833A53A60.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=chow+chow+mixed+with+labPDF link annotation
- 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_off0000b052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB052 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC869 | 10624 bytes |
SHA-256: 816b1d96482056f8c8fe2818b560278d81672e1da63ebf4bb780fde0615745ea |
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font_02_sfnt_off0000e0c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C5 | 14032 bytes |
SHA-256: 2444152e7a1b9a8274a468516d0f7ab0e47b57f18ca3b36c65ec65e58820ef33 |
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