MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for malicious PDFs to execute code or redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the sample is part of a link farm, and the numerous unknown URLs suggest a distribution network. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
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 http://alrabbancapital.com/file/files/34329949011.pdf In PDF document text
- http://planet-for-events.de/userfiles/file/wupezikumukosinum.pdfIn PDF document text
- http://tylincms.com/userfiles/files/buwugofurisimukaloxonuvo.pdfIn PDF document text
- http://garage-fuji.jp/js/upload/files/91283353691.pdfIn PDF document text
- http://z-i-f.ru/userfiles/file/beputub.pdfIn PDF document text
- http://sisparts.pl/zdjecia/fck/file/duwonutobelevusenopoxamod.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20211004044825.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210926185917.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/79937278082.pdfIn PDF document text
- http://pincodehub.in/userfiles/file/falifulalanuzilal.pdfIn PDF document text
- https://extremedriveline.com/ckfinder/userfiles/files/99150666312.pdfIn PDF document text
- https://ewt.cz/res/file/vudanetowo.pdfIn PDF document text
- http://movesearchesuk.com/userfiles/file/damodesarip.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16141a09149c08---muzewovuto.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/pubemafu.pdfIn PDF document text
- http://slenderclub.cz/ckfinder/userfiles/files/nujuzomevebodutuzorezomu.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/tujopirepajisapiwuv.pdfIn PDF document text
- https://thokhoavietnam.com/upload/files/6504421458.pdfIn PDF document text
- http://villa-margherita.biz/userfiles/files/tedifo.pdfIn PDF document text
- http://aexpress.lv/index/images/up/file/68241165200.pdfIn PDF document text
- http://impactpluslearning.com/ckfinder/userfiles/files/93484766061.pdfIn PDF document text
- http://kiapelhrimov.cz/UserFiles/File/4474897226.pdfIn PDF document text
- http://wumag.pl/userfiles/file/pirixin.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/likabuziruvujosogim.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/piboperi.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/RhDyTiV0TgQ/uplcv?utm_term=huff+how+to+lie+with+statistics+pdfPDF 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_off0000b4c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4C6 | 15264 bytes |
SHA-256: cf7d4034535284428989a8cc7f63a5cd1cce18109b47234bacedcf356fb40c75 |
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font_01_sfnt_off0000daea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF301 | 10688 bytes |
SHA-256: a32c16622c4a6bedadd646c68985103d30ebf24cc5e49f8fba48ee84f4771004 |
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