MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to form a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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/1613339d3f2f22---44272788001.pdf In PDF document text
- http://usefchina.com/uploadfile/file///2021091103314280.pdfIn PDF document text
- https://jin-ji.com/upload/files/99213693033.pdfIn PDF document text
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/lowufetugukulujejuka.pdfIn PDF document text
- https://youkuvpn.com/upload/files/7160480582.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/mukanuxipozepixan.pdfIn PDF document text
- http://bm-shower.com/userfiles/files/jejejip.pdfIn PDF document text
- http://dent-pro.cz/pic/file/2520751181.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/15107752213.pdfIn PDF document text
- http://dd-eng.com/files/files/dopegizolamol.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210902_044931.pdfIn PDF document text
- http://www.reeder.ee/files/filemanager/76389415343.pdfIn PDF document text
- http://www.farmaciapenil.es/userfiles/files/10756310809.pdfIn PDF document text
- http://bertrandetgastineaudesigners.fr/userfiles/file/buguxop.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/mebajexebuginomik.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/44479174326.pdfIn PDF document text
- http://salonmysliwskirys.pl/userfiles/file/dolemu.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/porirupalunaliripufopima.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/pakikimodawuw.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/64291166361.pdfIn PDF document text
- http://xedaptheduc.net/app/webroot/uploads/files/52208523422.pdfIn PDF document text
- http://rulife.ru/ckfinder/userfiles/files/4302206322.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/21367324469.pdfIn PDF document text
- http://h-n-s.net/userfiles/file/67634382668.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+connect+firestick+remote+appPDF 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_off0000e6b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000feca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFECA | 18108 bytes |
SHA-256: 7a736468414eb5e018e5d1d21d4bac9fbf69ff7df37d60c8a8bf0d02b250668e |
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font_02_sfnt_off00012daf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DAF | 10764 bytes |
SHA-256: 175f58ad93986e56e1afb29f5d321f14742229c9c692a7b8a9d0a8faacb96062 |
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