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 executing malicious code. It also contains numerous external URIs, many of which are hosted on disposable domains, 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 0.9948
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 http://tpdw.pl/userfiles/file/nutufaxunodaj.pdf In PDF document text
- http://hanasushimenifee.com/uploads/files/jekobot.pdfIn PDF document text
- http://cpghollywood.com/userfiles/files/18147339979.pdfIn PDF document text
- http://automyjka.pl/automyjka.pl/userfiles/file/vimefox.pdfIn PDF document text
- https://synersys.fr/contenu/file/8476011424.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210902000314.pdfIn PDF document text
- http://liga-stf.ru/i/upload/files/14180554051.pdfIn PDF document text
- http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/90251221830.pdfIn PDF document text
- http://gestioniarmatoriali.it/61465230103.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed3d6053cf---xukokaxaxajunadokujeta.pdfIn PDF document text
- https://propiedades.net/ckfinder/userfiles/files/18584801830.pdfIn PDF document text
- http://amoy-art.com/Upload/file/lewepapufiputenik.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/32240871735.pdfIn PDF document text
- https://asiapharma.la/files/files/fetikigevakuzujeb.pdfIn PDF document text
- https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/raguxikoledorapepujo.pdfIn PDF document text
- http://worldnaturalfood.com/image/upload/File/16097772432.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/88022862437.pdfIn PDF document text
- https://99shayari.in/userfiles/files/64066324860.pdfIn PDF document text
- https://nazrabilisim.com/calisma2/files/uploads/32331550626.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5fd70b2a1---jifefi.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210907_DE17253641CEB065.pdfIn PDF document text
- https://pgprojekt.pl/Upload/file/50799153296.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/83963893462.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/sinujofuxadagupagoza.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=hungry+shark+hack+apk+2021PDF link annotation
- 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_off0000c2e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dafc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFC | 10756 bytes |
SHA-256: 92f4905f2db02c48939f52e27746008581ace413a7d2dea296b84b351285fa58 |
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font_02_sfnt_off0000f3b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B5 | 17084 bytes |
SHA-256: b9284299a092b6cf159da85e35d19b51203d6876a17329a5c2cfc8bb5746e4e6 |
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