MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm for phishing or malware distribution. ClamAV detection and ML classification strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://cructi.ru/uplcv?utm_term=ethos+pathos+ethos PDF link annotation
- http://fatimaartwork.com/userfiles/file/pixawuporam.pdfIn PDF document text
- http://pampa.be/uploads/userfiles/files/lomuzuwugolidu.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109071504283821.pdfIn PDF document text
- https://szelvedojavitasmiskolc.hu/files/files/robipivi.pdfIn PDF document text
- http://mackyz7automotive.com/js/upload/files/45045373677.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/wepezof.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/b1go1ilq53c2j2eph3vlti42j1/liwas.pdfIn PDF document text
- https://greenline.bg/userfiles/file/lafudozogula.pdfIn PDF document text
- https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/wiludenuzuviburad.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/gasetawasoxadux.pdfIn PDF document text
- https://sacc-la-chaux-de-fonds.ch/fichiers/file/56583264050.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/95544258382.pdfIn PDF document text
- http://aedelsur.com/contenido/files/66680733044.pdfIn PDF document text
- https://jnnjhansi.com/userfiles/file/miworiresolidazaletebugaw.pdfIn PDF document text
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614a318a69e46---xixepalakakemifututagudi.pdfIn PDF document text
- http://snbedu.com/uploadfile/file///2021092121041050.pdfIn PDF document text
- http://oipipleszno.pl/userfiles/file/75901304898.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/62262073959.pdfIn PDF document text
- http://sutinlawkrabi.com/ckfinder/userfiles/files/3677330116.pdfIn PDF document text
- https://laps.pl/userfiles/file/mirolafuxivirile.pdfIn PDF document text
- http://seidels-mineralienwelt.de/images/uploaded/file/43661853930.pdfIn PDF document text
- http://teranor.com/ckfinder/userfiles/files/zukegidolafogiliv.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/ruvojarudatubu.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/dujinotigevadetalujava.pdfIn PDF document text
- http://autovoda.ru/upload/files/41782340235.pdfIn PDF document text
- http://hzzxtl.com/UploadFile/file/20210906204714827.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/wijolozem.pdfIn PDF document text
- http://wizclub.net/upload/userfiles/file/folozokesewepoxuka.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_off0000fb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB88 | 18672 bytes |
SHA-256: 3170c31a0d26e7de870bc9ca867d40a522a39812827123461934c583548525e7 |
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font_01_sfnt_off00012bbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000143d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143D1 | 9992 bytes |
SHA-256: be3de2957bdc821b30ddc329c63327380306ac08d3189bfb7752fada29bdca8a |
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