MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to PDF files hosted on various domains, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates a malicious intent to obscure the true destination or distribute content through a network of sites. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond its file type and metadata.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 http://daeryuhealthcare.com/ckupload/files/27793787768.pdf In PDF document text
- https://dolphinsolutions.net/ckfinder/userfiles/files/84504523466.pdfIn PDF document text
- http://rracc.com/file_media/file_image/file/51550424776.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/serewegenibiz.pdfIn PDF document text
- https://coevent.ru/upload/files/bekedulefosagiruzed.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb9c553e17---52554281352.pdfIn PDF document text
- https://etadelloro.it/images/file/filinogum.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/36663468508.pdfIn PDF document text
- http://tsrmvolontari.it/userfiles/files/14437005400.pdfIn PDF document text
- http://www.klccpa.com/userfiles/file/In PDF document text
- https://spotiverify.com/ci/userfiles/files/79088908027.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/mepepoxijetaruti.pdfIn PDF document text
- http://laxycoffee.com/upload/files/86052903478.pdfIn PDF document text
- https://stvietnam.net/luutru/files/71440205488.pdfIn PDF document text
- https://kirmatas.com/userfiles/file/89419251866.pdfIn PDF document text
- http://albertopizzetti.it/userfiles/files/gewevupopugojekevadofi.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/mewafuzosugelavu.pdfIn PDF document text
- http://kaymccarthy.com/immagini/file/89052568004.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/88969897768.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16155dc82b6b58---rejogagexoxezejevomese.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/tatijovirese.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=wii+online+manualPDF 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_off0000bcf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCF4 | 9996 bytes |
SHA-256: bf0b3d024d6d0d5d5a6affcec1025082979206712ab08cf6786e6199e0da60da |
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font_01_sfnt_off0000d307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD307 | 18088 bytes |
SHA-256: e11a941bdcf2e0bffccb4942491d4449ada7c9850e166cd87aca08637d062107 |
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font_02_sfnt_off000101b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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