MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links pointing to compromised websites and disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.8257
Heuristics 5
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://pistant.ru/uplcv?utm_term=comptine+d%27un+autre+ete+piano+pdf PDF link annotation
- http://mmprogetti.it/userfiles/files/rofopabodufofosu.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/f3cc646b8838a95b6a5720d6c38b3d09/82164218352.pdfIn PDF document text
- https://netshopnepal.com/userfiles/file/xotofunasokepemaxi.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/vfli3cfou2if8qle19snamhgen/negaxisumikamalup.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/ligukapowox.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ssfe5hqorufau4grcreuaanf24/35770107738.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/b0693dd0b56a3ee32e70873876b09489/segunevigojezavuj.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffc57c8c270---vejomefisurad.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160940b4f8b93e---pofololu.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee51656d0b---busotobuz.pdfIn PDF document text
- https://www.eos.org.eg/ckfinder/userfiles/files/watujibawuxos.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607bce8f80571---64225984116.pdfIn PDF document text
- http://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/77606204796.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/10432512894.pdfIn PDF document text
- https://espaciocultivarte.com/ckfinder/userfiles/files/difipek.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608448c42a0ff---boxenad.pdfIn PDF document text
- https://rent-1.es/ckfinder/userfiles/files/5064075125.pdfIn PDF document text
- https://behagi.eus/files/galeria/files/pefoxekofimixexerufo.pdfIn PDF document text
- https://afayl.com/userfiles/file/74491327297.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/34894522689.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607954bab2976---jitelo.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210806192618.pdfIn PDF document text
- http://airfa.it/userfiles/file/9077633449.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608662ff8effd---pelabeva.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_off0000daa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2BF | 10612 bytes |
SHA-256: 0182186856e49fce6efe2d6afc10cdd2ac78afcf114f117782b399a830094b3c |
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