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 are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to distribute malware or facilitate phishing by redirecting users to malicious sites. The embedded JavaScript is a common method for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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=free+download+gb+whatsapp+pro+apk PDF link annotation
- http://abwrichmond.com/uploads/files/94070938488.pdfIn PDF document text
- https://cosmopolitanhotel.lastrada.bg/uploads/wysiwyg/files/16718438154.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/6433093432.pdfIn PDF document text
- https://butagallery.com/userfiles/files/tesibijevorupojeferogi.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/ee41a14f49a5e9e93dc4ec2a5bd8a9ce/zikef.pdfIn PDF document text
- https://khyatiinfotech.biz/ckfinder/userfiles/files/11283831500.pdfIn PDF document text
- http://tidomusica.com/uploads/files/202109201012246466.pdfIn PDF document text
- https://wic-net.com/userfiles/file/kokinotonajomekarudusa.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/35225467017.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/migolosapiwugun.pdfIn PDF document text
- https://kawanmto.info/contents/files/bivokuxudenuvezirebefenuz.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/78886853336.pdfIn PDF document text
- http://resortcrimea.com/ckfinder/userfiles/files/18607207412.pdfIn PDF document text
- http://qianxi.cn/filespath/files/20210923183334.pdfIn PDF document text
- http://lokalizacja-gps.pl/userfiles/file/komafunose.pdfIn PDF document text
- http://mamolenasnc.it/userfiles/files/13545334078.pdfIn PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/jipisa.pdfIn PDF document text
- http://tnmetalworks.com/images/files/11638871050.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b865dc6386---vixutepemilofimuso.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/jinubanuvurasibipesu.pdfIn PDF document text
- http://rosg.net/sa_upload/userfiles/file/20210909091039.pdfIn PDF document text
- https://szelvedojavitasmiskolc.hu/files/files/setokada.pdfIn PDF document text
- http://www.bash.cl/media/file/zubizugezelaga.pdfIn PDF document text
- https://hsdinstruments.nl/uploads/files/bafiwit.pdfIn PDF document text
- http://otpetye.com/images/shared/file/gamewavu.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_off0000b13c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB13C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c953.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC953 | 10876 bytes |
SHA-256: 4fde1cc48e8f9fc733af59c47b9f427facecf0c0713c0511c8d483bc420f028f |
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font_02_sfnt_off0000e205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE205 | 16940 bytes |
SHA-256: 0869466d6389d034d61c2be181f81de9ac241bc13fa93ad0af107e87f24cfe24 |
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