MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs. The PDF also contains numerous external URIs pointing to disposable hosting, indicating a link farm likely used for SEO manipulation or to distribute further payloads. ClamAV detection confirms its malicious nature, and the heuristics suggest a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier clean score 0.1682
Heuristics 5
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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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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://irlanc.ru/uplcv?utm_term=core+concepts+of+accounting+information+systems+14th+edition+pdf+free PDF link annotation
- https://khabul.mn/mmpa/userfiles/files/75480315298.pdfIn PDF document text
- https://signika.pl/Upload/file/9909419629.pdfIn PDF document text
- https://kultmotor.hu/images/files/motejerepawibagup.pdfIn PDF document text
- http://merwepizza.com/upload/file/47224185233.pdfIn PDF document text
- http://mateuszkucharski.pl/admin/file/80427926525.pdfIn PDF document text
- http://khyljg.com/uploadfiles/files/wemitadumigodigufa.pdfIn PDF document text
- http://moskvaznaet.ru/upload/files/safojoxewobu.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/fobuwavala.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109151459343566.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/72755217447.pdfIn PDF document text
- http://clinicaveterinariailmarzocco.it/userfiles/files/nijixofuvisajavokafafapo.pdfIn PDF document text
- http://tomgiongvip.com/uploads/files/file/batipe.pdfIn PDF document text
- http://emachn.com/data/attachment/file/benap.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/31117575023.pdfIn PDF document text
- http://crestviewshopping.abwingsmd.com/uploads/files/75256883196.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/vawililuxanesotozu.pdfIn PDF document text
- https://sukhayurveda.in/userfiles/file/woleluzazepipon.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/4a19bb48af5d1b2f7a17fd9b6c08102d/84309849158.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/tuzidamonolufasobom.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/sifokixitib.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/mofusudujasibomuseta.pdfIn PDF document text
- https://sieuviet.net/webroot/img/files/kagex.pdfIn PDF document text
- http://dokturmice.com/ckfinder/userfiles/files/38084751786.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/87361674252.pdfIn PDF document text
- http://indel.sk/userfiles/file/34561123221.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/48079725772.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/1de56d28bfce278f70483815084aa0d1/51111023260.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5EC | 19280 bytes |
SHA-256: e7a59fe33b1f645722bba526a80b2861fc20828ce11f49ddcc0724d7179443f2 |
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font_01_sfnt_off000128bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BD | 11396 bytes |
SHA-256: 0a50a849ee7ccad3ee31f78560c31a9451ecf8aacfc93eabae3ab00543eaf243 |
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