MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to suspicious domains and appear to be part of a link farm, suggesting an attempt to direct users to malicious content. The PDF structure and embedded links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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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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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://smshealthcareservices.com/ckfinder/userfiles/files/zalal.pdf In PDF document text
- http://ettorebelfioreliutaio.it/userfiles/files/bixazetuganolobunatu.pdfIn PDF document text
- http://thaifilmind.com/UserFiles/file/80843647965.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/59f2552b0f0377f87ce6ba2b2eb469ff/43667313302.pdfIn PDF document text
- http://hoya-system.com/uploads/files/202109110627244186.pdfIn PDF document text
- http://areaengineeringsrl.eu/userfiles/files/pamevukifapanu.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/53065958915.pdfIn PDF document text
- http://ottotech.center/userfiles/file/luwiviropulevukirudan.pdfIn PDF document text
- https://ourcampuswindow.com/ckfinder/userfiles/files/51198453384.pdfIn PDF document text
- https://nonbodepsg.com/uploads/files/38642469577.pdfIn PDF document text
- http://michalpavlicek.com/uploaded/file/xujewesufadedun.pdfIn PDF document text
- http://asv-solnice.cz/_files/file/15921569411.pdfIn PDF document text
- https://herfection.herfection.tw/upload/ckfinder_temp/files/20210917191934.pdfIn PDF document text
- http://kleinschadenexpert.com/userfiles/file/bidupetusomop.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-9-2/20210902051915509731.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/xirixoravufotakigev.pdfIn PDF document text
- http://xhiehchin.com/Xhieh_News/_file/61918986157.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141fac958b8e---32764401456.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/83860626328.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/gafatusudivev.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/kibivexapew.pdfIn PDF document text
- http://broadgatecapital.com/userfiles/file/43948032242.pdfIn PDF document text
- http://aristosaigonhotel.com/uploads/files/37697943343.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/zuwupifatefegasokewe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+fix+video+codec+not+supported+on+androidPDF 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_off0000d69b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD69B | 10912 bytes |
SHA-256: e1c263c7fdd3348b07d355c89b22e4eeb5ee6fbc2462fc7d7d368333316b481e |
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font_01_sfnt_off0000f00b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001081d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081D | 17836 bytes |
SHA-256: 77618da769d883763e82d71d1dc17f4d764163de602a744ec82d53f4231f9236 |
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