MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous external URLs, many of which are part of a link farm hosted on disposable domains, suggesting an attempt to redirect users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this. No scripts were extracted, but the overall structure and URL distribution indicate a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://coretry.ru/uplcv?utm_term=restore+android+phone PDF link annotation
- http://e-baze.lv/images/site/file/6559229757.pdfIn PDF document text
- https://aathichudi.org/userfiles/file/kugugagir.pdfIn PDF document text
- https://milliondollardesiclub.com/upload_files/featured/files/fezirumoveber.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/dovixogizujaje.pdfIn PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/50654264313.pdfIn PDF document text
- http://naasschoolofmotoring.com/fckeditor/userfiles/file/57112712260.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/61623007697.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/koredoxutigamoseti.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/141728439329.pdfIn PDF document text
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/fotava.pdfIn PDF document text
- http://estatepie.com/files/userfiles/file/pixebovimivaxufuguxa.pdfIn PDF document text
- http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/linogekijuvomopoxamoj.pdfIn PDF document text
- http://orthodoxnews.us/file/zepigaga.pdfIn PDF document text
- http://autolubitel-irk.ru/userfiles/file/37200500638.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614680019da6e---dufinodikagebojumox.pdfIn PDF document text
- http://pension-erlkoenig.de/img/editor/file/27162014377.pdfIn PDF document text
- http://hennel.hu/sources/elemek/file/nininubamoreris.pdfIn PDF document text
- http://togul.org/sites/default/files/file/ximadudopokupapofoder.pdfIn PDF document text
- http://www.ocptecnology.com/admin/uploaded/fck/file/bobatasepogazamoxere.pdfIn PDF document text
- http://ccsup.co.th/uploads/ckfinder/files/13417681075.pdfIn PDF document text
- https://riwg.in/userfiles/file/tavotoduto.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210909085133.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/60637664958.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/80384314455.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/vixowuvavonokopegejepada.pdfIn PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210909_024715.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_off0000ebb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB5 | 17620 bytes |
SHA-256: 29b1cb7f36366f7eb18fb4c9a40df5065565992036ea88212c7725dadb4edab7 |
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font_01_sfnt_off000119c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000131dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131DD | 10488 bytes |
SHA-256: bfcd10be7eef238cbc840dbe91fbb8ddfb5c109753810bf117f5d7a70583d952 |
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