MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to form a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to phishing sites or download further malicious content. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://philabc.ru/uplcv?utm_term=best+android+apps+to+download+mp3+songs PDF link annotation
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/cac5d9e8b5d6c1b57ea1b749d9e6cc12/mapuselajivinilikuko.pdfIn PDF document text
- http://yuanda-boiler.com/d/files/10159190314.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/161403f747e49a---17971510123.pdfIn PDF document text
- http://dataction.org/demo/dataction/media/sipepubugewi.pdfIn PDF document text
- http://rzn-house.ru/upload/file/rupetumirivizijewagobujes.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/segiwid.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/sadixukok.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/16066943387.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/ruxisuboridajugowun.pdfIn PDF document text
- http://jmvlpslimited.com/ci/userfiles/files/kigurag.pdfIn PDF document text
- http://speed-r.com/js/upload/files/lexaxajizafir.pdfIn PDF document text
- http://mtcongnghiepxanh.com/upload/fckimagesfile/1901869903.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/7810285926.pdfIn PDF document text
- http://vallovin.it/userfiles/files/rawasudelufalirunovuxena.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/bapim.pdfIn PDF document text
- http://maturitni-ples.eu/UserFiles/File/66605772060.pdfIn PDF document text
- http://sarna-zapiekanki.pl/ckfinder/userfiles/files/25031209986.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/76449294225.pdfIn PDF document text
- http://shouce-image.kuchuancdn.com/Public/resource/files/fetofowu.pdfIn PDF document text
- http://www.serge-valentin.net/ckfinder/userfiles/files/xiguzerumajekojusef.pdfIn PDF document text
- http://hosungtour.com/FileData/ckfinder/files/20210914_7CC79612DFFD496A.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/juderepurusolilazemome.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/55116171305.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-9-12/20210912114747235808.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_off0000ba48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA48 | 16504 bytes |
SHA-256: 994c19765fb7e9b8ff55a91923199230df22ba371454c5b22d7256debbd3bda2 |
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font_01_sfnt_off0000e46e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC85 | 11048 bytes |
SHA-256: 2f015409f48500b104abf1b88f6742bcaac38848b647c7f7aba01bd21cafb818 |
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