MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, with one specifically identified as a link farm on disposable hosting, suggesting an attempt to obscure the true malicious destination. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://hoaisonland.vn/upload/files/depanavusorobakutuxof.pdf In PDF document text
- http://red-persimmons.com/upfiles/editor/files/rirogukigadujevudavirew.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/verotu.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/poxefodin.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/21100485809.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613a33573e9a8---12439906976.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/78402498209.pdfIn PDF document text
- http://youngdongtec.com/userfiles/file/rukopolejunesin.pdfIn PDF document text
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/sidotorap.pdfIn PDF document text
- http://vertex-decor.com/userfiles/file/mosepikeb.pdfIn PDF document text
- http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/17154173870.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210912174647-54248999594.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/a3ok22f8d7uc57g8oguid1d366/nitifawivupilitususum.pdfIn PDF document text
- http://paulabenveniste.com/UserFiles/file/zopaz.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name/files/ruzupedimukepozafurekugir.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/83015190444.pdfIn PDF document text
- https://jasmijnbloemengroen.nl/userfiles/file/bekedesanek.pdfIn PDF document text
- http://cyuansheng.com/userfiles/file/81399637931.pdfIn PDF document text
- http://www.lbtfilm.com/uploads/files/8268341935.pdfIn PDF document text
- http://lsneotek.com/ckupload/files/8121061303.pdfIn PDF document text
- http://gaziogluenerji.com/images_upload/files/zojatipelobefovova.pdfIn PDF document text
- http://webinaris.net/ckfinder/userfiles/publics/files/mesemepi.pdfIn PDF document text
- https://markaoyun.com/calisma2/files/uploads/doropisiw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=music+games+for+android+offlinePDF 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_off0000ee0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10621 | 16664 bytes |
SHA-256: d467ee6d7cb96182db4d4dfe2f08f67037aeb1daacbf647374333a9265fa59e6 |
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font_02_sfnt_off00013127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13127 | 10812 bytes |
SHA-256: beffa355170c771b315bd037315bfd77bfed59c703002f6e774640c513bdb37e |
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