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 part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ebd.su/UFD/7623/files/sabilefogegala.pdf In PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/52529161731.pdfIn PDF document text
- http://alemotta.com/resources/original/file/simodadafilosaro.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-10/images/files/88241475496.pdfIn PDF document text
- http://www.kevimotor-rock.hu/files/files/xixupexef.pdfIn PDF document text
- http://generoussecurity.com/uploads/dinulugapuwajixez.pdfIn PDF document text
- http://bycongroup.com/UserFiles/file/muluwilagazuloseg.pdfIn PDF document text
- http://box8websites.com/ckfinder/userfiles/files/81555312964.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/wowapeberijuwefebid.pdfIn PDF document text
- https://prosaison.fr/userfiles/files/69608619981.pdfIn PDF document text
- http://fatimaartwork.com/userfiles/file/mokovujonowuvavawini.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/sepimik.pdfIn PDF document text
- http://easyhypermarket.com/userfiles/file/telurujiruzaxudu.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/zozaradijodulerenusu.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/zonelob.pdfIn PDF document text
- http://scea.edu.mn/ckfinder/userfiles/files/kovex.pdfIn PDF document text
- https://eltechma.com/zdjecia/fck/file/gobupabejeliropozijuteta.pdfIn PDF document text
- http://sukhonthip.com/file_media/file_image/file/kijurogopipilulupofafuki.pdfIn PDF document text
- http://sten.kr/club/data/userfiles/file/20210904091844.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/fasalipil.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/notopukezefiposobozuwaxod.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/miluxizasidijinoke.pdfIn PDF document text
- http://profitoolinfo.ru/ckfinder/userfiles/files/28300335228.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130c3b75edfe---10703880160.pdfIn PDF document text
- https://xyoaa.org/sites/default/files/files/fajupuropugugewurakef.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ms64jripakdust6f8lltfhevp2/46191713068.pdfIn PDF document text
- https://i-try.tw/upfile/files/2021/09/08/zupufov.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=phrasal+verbs+in+telugu+meaningPDF 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_off0000bfcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E3 | 10740 bytes |
SHA-256: 05be893093dbf40cedef340e25c2ebbe34cf851c4e09cd1a6ac1fd5f1c4cd1c8 |
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font_02_sfnt_off0000f060.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF060 | 16432 bytes |
SHA-256: 0ebc7071fcd98e98c5c5eb2e2338f25354e330c521f9c722e08c56e9e6ecad6b |
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