MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file containing embedded JavaScript and a large number of external URIs, many of which are part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://archism.ru/uplcv?utm_term=free+among+us+for+pc PDF link annotation
- http://bowlingkillers.com/imgdb/files/8953255607.pdfIn PDF document text
- http://honeystraw.com/uploadfiles/file/miborizofivaxafidopika.pdfIn PDF document text
- https://ezokniga.com/uploads/file/luxotelisesojubalazer.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/5577894045.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/mugidefatagelafugujoxobu.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/sedefunoj.pdfIn PDF document text
- http://innotack.com/userfiles/file/xudumen.pdfIn PDF document text
- http://rjt1.org/upload/files/laxonasikilulumuboti.pdfIn PDF document text
- http://skisun.it/userfiles/files/61736531674.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/83900832830.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/gudotim.pdfIn PDF document text
- https://bbox.ru/images/shared/file/10578343875.pdfIn PDF document text
- https://marbeyoyun.com/calisma2/files/uploads/jegabogon.pdfIn PDF document text
- http://asu78.ru/userfiles/file/kurelejo.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150b14225ee3---54581971913.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/82639196482.pdfIn PDF document text
- http://bsa-billiard.by/images_from_html_editor/file/vuxisijepitalizuvatup.pdfIn PDF document text
- http://bjavc.com/filespath/files/20210926180413.pdfIn PDF document text
- https://mchs.kz/userfiles/File/8147859249.pdfIn PDF document text
- https://mosconi.net/userfiles/file/66272770662.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/22976129423.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202109062328032904.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/31867548365.pdfIn PDF document text
- https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/dexugeketakagapozamebid.pdfIn PDF document text
- http://thesei.com/In PDF document text
- https://facades-et-traditions.com/actualites/file/7818177618.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_off0000b3f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC04 | 14456 bytes |
SHA-256: bfa1c26aef2f5b6c054fbc880472e94b623a8a66e3b22c6fc5fdeffe1a3a776e |
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font_02_sfnt_off0000efd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 10664 bytes |
SHA-256: 10114fe4d8d160ee8334863d8fe8dda6c997ba92fde1463a31385a866b9dbf4b |
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