MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. The PDF also contains numerous external URIs, many of which point to disposable hosting, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://catamma.ru/uplcv?utm_term=underwater+2020+putlocker PDF link annotation
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sugevopuvonafij.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/safezabosi.pdfIn PDF document text
- http://lamay.de/userfiles/file/97398452990.pdfIn PDF document text
- http://volvo-cars.jp/js/upload/files/56776674299.pdfIn PDF document text
- http://travelshops.pl/userfiles/file/vapegumosipiw.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e985d3b705---89373568732.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/vi853qg18cm6tqlo25kl06k143/81702993967.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/1303726690.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/sawab.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-09-10/images/files/medeza.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/10/xugapuladalagemuzurujagod.pdfIn PDF document text
- http://novena99.com/uploads/files/202109140617283445.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/98242451933.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/kasarovafevuxajuxu.pdfIn PDF document text
- http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/lelaxosewifuriku.pdfIn PDF document text
- https://wedding-photos.cz/userfiles/file/58385642419.pdfIn PDF document text
- https://halkapsikoloji.net/userfiles/file/pavaj.pdfIn PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/9357850987.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/17607298814.pdfIn PDF document text
- https://groupunsur3.com/contents/files/winuwifavorur.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/refebogididuxiramufot.pdfIn PDF document text
- http://espokebar.com/uploads/files/54958943513.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/zefulonamuborilivowenite.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/90775136827.pdfIn PDF document text
- http://rent2day.ca/ci2/userfiles/files/mamodalepodokalogoxivewuf.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_off0000d47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD47C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC93 | 10776 bytes |
SHA-256: 278d3d8902b9a8f8ea8a3312382c06cb8e43ec5e0af5284676061cb22a7dafdb |
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font_02_sfnt_off00010594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10594 | 18572 bytes |
SHA-256: b91361998c437ae5ee867f97692c946217098f6647b71482da1fb976f82d3002 |
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