MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to PDFs hosted on various domains, suggesting a link farm designed to obscure the ultimate malicious destination. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to evade detection. While no scripts were directly extracted, the structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://www.aaptuk.org/ckfinder/userfiles/files/viwedisipasarigadepu.pdf In PDF document text
- http://www.hgbehringer.de/img/files/files/98269280630.pdfIn PDF document text
- https://afmiletisim.com/resimler/files/loxidolajifujewasix.pdfIn PDF document text
- http://mgocsm.in/userfiles/file/rojoveragarofobude.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/dokos.pdfIn PDF document text
- http://neodentpetrosino.it/userfiles/files/gowesiba.pdfIn PDF document text
- http://rheumatology.institute/upload/content/file/17123437915.pdfIn PDF document text
- http://erex.hu/upload/file/kizizisapogevivizisazujud.pdfIn PDF document text
- http://kccmaul.com/files/files/11695793868.pdfIn PDF document text
- http://madmojo.com/fckupload/file/nugizovolojozilurag.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614b439a8147f---zurujemuselixaj.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/17953743593.pdfIn PDF document text
- http://platypusspot.org/uploads/ckfinder/userfiles/files/guluzarapewa.pdfIn PDF document text
- https://giga-tronics.com/userfiles/files/22908402895.pdfIn PDF document text
- http://clingac.es/d/files/retem.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/95857404273.pdfIn PDF document text
- https://thai-airpark.com/ckfinder/userfiles/files/14057709613.pdfIn PDF document text
- http://chenruichem.com/upload/files/juvixejew.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/47133526933.pdfIn PDF document text
- http://vatlieubaooncachnhiet.com/userfiles/file/gomitumoketulawag.pdfIn PDF document text
- http://sfipl.in/userfiles/file/pabedolujogev.pdfIn PDF document text
- http://canvangdientu.com/images/file/makorotusejixadajo.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/161300c5348924---vifepazopuxijariz.pdfIn PDF document text
- http://schokofontaene.de/idata/kuvagenogolopalaxif.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/zakak.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/2764059004.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=samsung+galaxy+young+gt+s5360+software+update+downloadPDF 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_off0000d444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD444 | 11824 bytes |
SHA-256: fd64a8e33ea8c0317d6ada19b2645a2bec1a943e723bba8398c2f0791afc1174 |
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font_01_sfnt_off0000f07e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010890.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10890 | 16920 bytes |
SHA-256: 9f04800a82a41a3486495e78dac602d2ea3d2e10860594d81c4fdb6f83e09bfa |
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