MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users to malicious sites. The PDF also exhibits characteristics of a link farm, with numerous external URIs pointing to various domains, suggesting an attempt to obscure the ultimate destination or distribute payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613669704bc75---mibojomewofodo.pdf In PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/76119376580.pdfIn PDF document text
- https://ever.dacola.com/upload/files/deruxemogelirodalelano.pdfIn PDF document text
- https://safecampus.in/cmsCart/upload/file/jadirufukevojag.pdfIn PDF document text
- http://tuderprogettazione.it/userfiles/files/42753920338.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/42053197139.pdfIn PDF document text
- https://mimpiindah1.com/contents/files/31711423776.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/56307323446.pdfIn PDF document text
- https://mintowncoffee.net/uploads/images/files/dilibovumetulenapezu.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/2b4d6d07ef91dd6a00d836765865c4d2/56871236833.pdfIn PDF document text
- http://keemunblacktea.cn/uploads/file/061937222993.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/jaratowo.pdfIn PDF document text
- https://supermagnum-bg.com/ckfinder/userfiles/files/zurivegumifoboberadife.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/xaburoveledadegem.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/wisedone.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210905055710.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210905123301.pdfIn PDF document text
- http://gndpta.eu/news_objects/files/bekofakipusafaxivumeju.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/siwafuvuvuluxaxitariruz.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/pipisarifuno.pdfIn PDF document text
- http://heibldr.hu/FCKfeltoltott/file/wobideku.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/xonakezesebowusafezumisab.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/bezulunaragakidobekono.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134b9b731d98---vilobakobonozivis.pdfIn PDF document text
- http://ingpoggi.eu/userfiles/files/basus.pdfIn PDF document text
- http://vladekoservis.ru/files/85762726271.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=adb+app+downloadPDF 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_off0000dcb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB2 | 17552 bytes |
SHA-256: d81d93a2ce14a5b216b5caef2d2a074c82b2b42d064555b08117bc24267dacde |
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font_01_sfnt_off00010999.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10999 | 10000 bytes |
SHA-256: af87c10dbdd55ccff1bb679f343016c7b1e2766611e6c031306c55e6329962ff |
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font_02_sfnt_off00011fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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