MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs. It also contains numerous external URIs pointing to what appears to be a link farm, suggesting a phishing or SEO manipulation campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://coretry.ru/uplcv?utm_term=pokemon+emerald+level+cheat PDF link annotation
- http://www.afurg.com.br/assets/ckfinder/userfiles/files/gizobunarowomezufiku.pdfIn PDF document text
- http://clinicaveterinariagoitese.it/userfiles/files/14123782890.pdfIn PDF document text
- http://xeroxexpres.cz/userfiles/file/95365692173.pdfIn PDF document text
- http://st-johnson.com/Uploadfiles/files/281870134.pdfIn PDF document text
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/wudarokadape.pdfIn PDF document text
- http://career-id.org/ckfinder/userfiles/files/kugidawefigogede.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/40d8dcbacfd0d59c00ba4f7b461dad81/likeseniranudulimosipe.pdfIn PDF document text
- https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/39063653100.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161376f1451e4e---nesulunokizidesepukideru.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///4836668127.pdfIn PDF document text
- http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75330827011.pdfIn PDF document text
- http://hosungtour.net/FileData/ckfinder/files/20210904_494311BE277067D4.pdfIn PDF document text
- http://scherzerpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25781799238.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/misage.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/61189734750.pdfIn PDF document text
- https://toyotaautobody.com/ckfinder/userfiles/files/dixavabunorojodoporizoxil.pdfIn PDF document text
- http://tlumacz-francuskiego.pl/userfiles/file/30521563335.pdfIn PDF document text
- http://artvideo74.ru/upfiles/files/15373660847.pdfIn PDF document text
- https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/goganebaf.pdfIn PDF document text
- https://corpeverest.com/ckfinder/userfiles/files/48721075573.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/rigepimupajuwudiwoti.pdfIn PDF document text
- http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wobolijamo.pdfIn PDF document text
- https://www.ijmsir.com/ckfinder/userfiles/files/36801878358.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_off0000e888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE888 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001009a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1009A | 19108 bytes |
SHA-256: cf4570821d3720102596e5b2d2a67d1577bc7dbda87068f2f2759cb06b7ddb6b |
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font_02_sfnt_off000132b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B3 | 10536 bytes |
SHA-256: 61f8df7e350ab15ba1d299beccf6d96397fa9dc06df06b6cdb68affeaca13cfe |
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