MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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 http://mtsskzy.com/userfiles/file/sutakevipofaji.pdf In PDF document text
- http://retco.ge/ckfinder/userfiles/files/42043162289.pdfIn PDF document text
- http://pokewaveanaheim.com/uploads/files/kolapupusafo.pdfIn PDF document text
- http://oaklandscreche.ie/userfiles/files/27385534894.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/28629501017.pdfIn PDF document text
- http://ansing.nl/userfiles/file/sodinolanotudokili.pdfIn PDF document text
- http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/43736708855.pdfIn PDF document text
- https://luathoanghuy.com/uploads/files/91044108423.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/xewuzilokos.pdfIn PDF document text
- https://naveenent.com/administrator/imagetemp/file/41174754750.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/gevane.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/33358439186.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/kapofam.pdfIn PDF document text
- http://crmrealty360degree.in/ci/userfiles/files/14649333542.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/95621538328.pdfIn PDF document text
- https://larustt.com/upload/ckfinder/files/dedat.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/satedemezi.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/givojojen.pdfIn PDF document text
- http://geose.ru/userfiles/file/rixupapajogij.pdfIn PDF document text
- http://8njl.com/userfiles/files/bavezoluseziruwuborojog.pdfIn PDF document text
- http://movitecnic.com/ressource/site-image/files/suzakuvuvipafomuvisosevup.pdfIn PDF document text
- https://praktijk-fix.nl/userfiles/image/file/71006818154.pdfIn PDF document text
- http://dogable.de/userfiles/file/92401624053.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/163139560347.pdfIn PDF document text
- http://flairpens.ru/uploads/files/wixapojomoviwu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=samsung+frp+tool+2020+crackPDF 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_off0000b58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB58F | 16020 bytes |
SHA-256: b3bacbdb6be9fcc3af2f51ac1807be6338ca6389c0cc1b40e6e629d9174a5159 |
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font_01_sfnt_off0000de50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF667 | 11108 bytes |
SHA-256: b9d135fd795bd7bcb9e68e683b2edb0fc68979e1830387ed1d42c175d6804737 |
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