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 point to disposable hosting and are 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 executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://oniceh.ru/uplcv?utm_term=how+to+move+files+to+a+sd+card PDF link annotation
- http://obraz-tlt.ru/userfiles/file/nodis.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/53646978204.pdfIn PDF document text
- http://akcompany.vn/uploads/userfiles/file/28931476382.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/35390d2860a3f2bc0eb614fc5aab533f/xazoju.pdfIn PDF document text
- http://werder-ritter.de/UserFiles/File/9584928350.pdfIn PDF document text
- https://www.db-ynox.fr/ckfinder/userfiles/files/varevimejokogup.pdfIn PDF document text
- http://www.sushmitamukherjee.com/fckimages/file/kapej.pdfIn PDF document text
- https://signos.larrialdiak.es/files/galeria/files/34718158427.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/3408520012.pdfIn PDF document text
- http://epoch-making.jp/js/upload/files/mobumofezo.pdfIn PDF document text
- http://studioguatta.it/userfiles/files/vuderaxixuwinoz.pdfIn PDF document text
- http://tai-group.com/upload/files/dudokokegibozinebavopeduw.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613410e50c250---7535873493.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/1430253569.pdfIn PDF document text
- https://anne-berger.de/sites/anne-berger.de/files/fkcfile/13343231905.pdfIn PDF document text
- http://studiodabo.eu/userfiles/files/69944754397.pdfIn PDF document text
- https://clubsecurite.fr/webroot/upload/files/56794237439.pdfIn PDF document text
- http://nomayaku.com/userfiles/file/16656858292.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/mibubuputamugemoxuxu.pdfIn PDF document text
- https://cingenito.ca/upload/editor/file/13324677368.pdfIn PDF document text
- http://otohyundaidanang.com/uploads/image/files/matikumatakubalokujaraf.pdfIn PDF document text
- https://xn--hjrnskadeakademien-mtb.se/userfiles/file/37031672256.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/60688482484.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_off0000d456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD456 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC68 | 17680 bytes |
SHA-256: 8d727fbcac95d2e68939b5c9e9edf7383e96169ff3b5e2fc3506bcb75c3f25ea |
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font_02_sfnt_off00011a2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A2D | 10676 bytes |
SHA-256: 90e716d089d38cfa8fc3b2b3535a13fd122343b41ee9c5a98a4a7ac87a9987bb |
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