MALICIOUS
166
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, with high-severity heuristics indicating random and disposable URLs. The PDF contains numerous links to external websites, suggesting it acts as a lure to phishing or malware download sites. While no scripts were explicitly extracted, the presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly suggests an attempt to distribute malicious content or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://krisoc.ru/uplcv?utm_term=naruto+shippuden+1080p PDF link annotation
- https://kaptenhoki.org/contents/files/lavezekaginizal.pdfIn PDF document text
- https://ruxthai.com/ckfinder/userfiles/files/xerotorarevozutiva.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/62219274106.pdfIn PDF document text
- http://mardeestilos.es/fotos/file/597160237.pdfIn PDF document text
- http://mcenterdk.ru/fck_editor_files/files/79543086949.pdfIn PDF document text
- http://lnv-cnc.gr/userfiles/file/57669737948.pdfIn PDF document text
- http://namlinhchisapa.com/userfiles/image/file/zerufi.pdfIn PDF document text
- https://101doctor.com/uploads/ckfiles/files/613f5bfe3cf1d.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/37772918017.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021090817262373499.pdfIn PDF document text
- http://candientuvibra.com/images/file/93813669544.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/nigafe.pdfIn PDF document text
- https://actor-conseil.com/files/file/jivaliletipaxuwatexijuta.pdfIn PDF document text
- http://www.pics4us.de/userfiles/file/72987005394.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/lo4tc8ld05ecsm4f61ichpnbc4/88403358926.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/15963768930.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/92851733415.pdfIn PDF document text
- http://99hospitalitygroup.com/ckfinder/userfiles/files/mapodebufowenudega.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/b06b5f7dd0cf8a6e63a806ae00fff45c/ludidora.pdfIn PDF document text
- http://dnt-mayak.ru/content/File/mudab.pdfIn PDF document text
- http://biemmecommerciale.eu/userfiles/files/14377900793.pdfIn PDF document text
- http://orvositudasbazis.eu/images/upload/file/26261952483.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/51353108113.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_off0000c0d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0D9 | 10904 bytes |
SHA-256: 6667a14c419064ddb701607648f4b01a09982112d6ace3d2320dd456bcb590c8 |
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font_01_sfnt_off0000da13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF225 | 17408 bytes |
SHA-256: 1a3a40aa5c483fc4fa937eefce594b571fed6be6a24c5e81cc1dab206345782c |
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