MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which are associated with file hosting or user uploads, suggesting a link farm designed to distribute malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this is a tactic to obscure malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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 https://we-plus.tw/ckfinder/userfiles/files/vubujijaxaxafoxuj.pdf In PDF document text
- https://eminenceconstruction.ca/viking1/uploads/files/97333958015.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/bosogiwulefejabuj.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210911160201.pdfIn PDF document text
- http://nemeckystrakac.sk/editor_uploads/files/wituwe.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161449d1a35cfa---zefefelabuvirolonofosej.pdfIn PDF document text
- https://bloomlight.pl/_bloom/file/nokepigufugazika.pdfIn PDF document text
- https://booknowrentalimo.ch/userfiles/files/nefudero.pdfIn PDF document text
- http://eko-baby.ru/userfiles/file/kiruwixadonuvonemif.pdfIn PDF document text
- https://colegiumaniucarei.ro/ckfinder/userfiles/files/75970069953.pdfIn PDF document text
- https://tvsporedi.si/vsebina/gemogolejuw.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/36979868985.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/28300822735.pdfIn PDF document text
- http://fongyoskert.hu/userfiles/files/22259464720.pdfIn PDF document text
- http://akcompany.vn/uploads/userfiles/file/14714761523.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109051648041454.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1630656201.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/gefik.pdfIn PDF document text
- https://butyfarm.mm520.net/userfiles/files/jixusi.pdfIn PDF document text
- http://zjnep.com/ckeditor/ckfinder/userfiles/files/xudiji.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/zazuxekekonubowesexelunez.pdfIn PDF document text
- http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/53037977029.pdfIn PDF document text
- https://vonia.mikludava.lt/images/files/dawekukezudarexik.pdfIn PDF document text
- http://raegcafe.com/uploads/files/63503537938.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=best+android+app+ideas+for+beginnersPDF 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_off0000f492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF492 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010ca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA4 | 17640 bytes |
SHA-256: 54bffa2546b5557d6be240c9d898e8026f004a8f6b751471e22083f6c4d9f325 |
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font_02_sfnt_off00013a8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A8D | 10820 bytes |
SHA-256: 873aed7dd19efcbf743b931379fa4cfd5f720a310f5b5f8db24d44a1d7b80ec0 |
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