MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://chcial.ru/uplcv?utm_term=bandit+queen+full+movie+online+watch PDF link annotation
- http://fizjoactiv.eu/Upload/file/nomige.pdfIn PDF document text
- http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/gabagarali.pdfIn PDF document text
- https://egokituz.eus/files/galeria/files/dojavidume.pdfIn PDF document text
- https://infotechb2blite.com/bot/ckfinder/uf/files/80860167670.pdfIn PDF document text
- http://yingtailong.com/upload/file/210918165658605969mzi4af1g81s3.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/16142fc9bb3fe0---83633347648.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/belezajivufokimobusiku.pdfIn PDF document text
- http://elskup.pl/images/assets/file/newovexalijatudinonuva.pdfIn PDF document text
- https://togeltop.net/contents/files/69347006961.pdfIn PDF document text
- https://altsovmun.ru/userfiles/file/81264521171.pdfIn PDF document text
- https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/73090539871.pdfIn PDF document text
- http://suliaok.com/v15/Upload/file/2021919221595486.pdfIn PDF document text
- http://dansungsala.com/uploads/files/fodekojobatemenomepi.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/76457251711.pdfIn PDF document text
- http://fullprotec.com/ckfinder/userfiles/files/lazabonitarudilodinozudar.pdfIn PDF document text
- http://stigstudiotecnico.it/userfiles/files/30372715191.pdfIn PDF document text
- https://swift-tw.com/lcc/upload/files/86009864521.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed9564c7fa---xuxinasilimolaniba.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/wefosidonab.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/dawefokibododonumaxov.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/peletini.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/32828293599.pdfIn PDF document text
- http://bettynblue.com/upload/fck_img/20210913/file/ludogakamaranepiv.pdfIn PDF document text
- http://tsraccountants.nl/mailing/images/photo/file/65435040654.pdfIn PDF document text
- https://5udua.com/contents/files/65987300731.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_off0000db10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB10 | 19432 bytes |
SHA-256: 3342e396c049c9739ca4319f69dfa5df6ce03b88237bae1c592412fc018f2c97 |
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font_01_sfnt_off00010de1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F8 | 10924 bytes |
SHA-256: 98977662e8d8755d0a0afd2343dabaa841c4c762fc4e4870879cc549ea766b0e |
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