MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to disposable hosting and are structured as a link farm, indicating a likely attempt to redirect users to malicious sites. The `PDF_SEO_DISPOSABLE_LINK_FARM` heuristic further supports this, suggesting the PDF's primary purpose is to host these links.
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 https://drafthe.ru/uplcv?utm_term=www+xda+developers+com+root PDF link annotation
- https://rimi.sk/userfiles/file/3441298624.pdfIn PDF document text
- http://electrogalicia.com/electrogalicia/recursos/archivos/78951976200.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/sajisibinure.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161411c90e5580---88458299511.pdfIn PDF document text
- https://harom.ro/files/file/24067128822.pdfIn PDF document text
- http://bekescsaba.varosom.hu/userfiles/files/91546835114.pdfIn PDF document text
- http://4els.ru/uploads/images/files/2711626788.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/20915484232.pdfIn PDF document text
- http://master-br.ru/img/file/pebubut.pdfIn PDF document text
- https://888nv.ru/userfiles/file/50450039906.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7e4859554---40312663189.pdfIn PDF document text
- http://dep14kirov.ru/userfiles/file/49171043215.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/diwexasixiwatiwevu.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/vubijagakadedigedututega.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/tirevof.pdfIn PDF document text
- https://locoffice.ru/userfiles/file/setositazili.pdfIn PDF document text
- https://hawkseyetravels.com/assets/ckfinder/userfiles/files/18503655219.pdfIn PDF document text
- http://domesticsolutionsagency.com/userfiles/file/gisabofeme.pdfIn PDF document text
- http://myphammonly.com/luutru/files/86417142073.pdfIn PDF document text
- https://exam11.menapoint.com/app/webroot/upload/files/80742872751.pdfIn PDF document text
- https://propertiproperty.com/Uploads/userfiles/files/nakivupom.pdfIn PDF document text
- http://wildzipper.com/clients/wildzipper/userfiles/file/zaxotawibinifolininos.pdfIn PDF document text
- http://tuderprogettazione.it/userfiles/files/41319040062.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_off0000bfe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFE2 | 10724 bytes |
SHA-256: 4dd6f5f63590939da32042672ccc4032c777c4d9a1054ebbf7e0af4eb5bc7d6b |
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font_01_sfnt_off0000d8a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B6 | 16932 bytes |
SHA-256: b398124698b5b8a493cce9a13f98d8607651d2c84ed121eff566774eb828b501 |
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