MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with numerous external URIs pointing to various domains, suggesting a tactic to manipulate search engine results or distribute additional malicious files. The presence of many distinct hosts and disposable hosting indicators further supports this. The document body was unreadable, but the overall structure and heuristic findings point to a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.7068
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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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://giaodantanthaison.com/Images_upload/files/lamujilikuneruvera.pdf In PDF document text
- http://haitrungkim.vn/uploads/userfiles/file/74945736633.pdfIn PDF document text
- http://gift-founder.com/archive/upload/files/71286094919.pdfIn PDF document text
- http://thanuyentea.com/ckfinder/userfiles/files/girisonerodonopu.pdfIn PDF document text
- http://zoop-tech.com/ckfinder/userfiles/files/gelima.pdfIn PDF document text
- http://restokrat.info/userfiles/file/83226062993.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/wonojolupuxibodanex.pdfIn PDF document text
- https://5a.ro/ckfinder/userfiles/files/86231359623.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/ccb5fd89e637d68b2caf81ecfafda540/ruzusolofuwi.pdfIn PDF document text
- http://www.og2c.com/images/file/fagarija.pdfIn PDF document text
- http://hamzalegalservices.com/userfiles/file/wevamatunojose.pdfIn PDF document text
- http://stattus.com/assets/file/kafotono.pdfIn PDF document text
- http://timnhanhonline.net/upload/files/manunosiropipuvojaj.pdfIn PDF document text
- https://hoangnhataudio.vn/media/files/dilorazitam.pdfIn PDF document text
- http://ladna.pl/user_images/file/65531242746.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/kupabawuz.pdfIn PDF document text
- https://ismet.com.br/ckfinder/userfiles/files/51400477435.pdfIn PDF document text
- http://ondamarinarest.com/upload/files/57781645982.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/tuwujebu.pdfIn PDF document text
- http://taxplus.in/images/contentimages/files/63691866194.pdfIn PDF document text
- http://vizit-k.net/uploads/editor/files/fawabuzitajefav.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/disobimepelefek.pdfIn PDF document text
- http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/44706290237.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/34349169947.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/lisabimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=flix+tv+firestickPDF link annotation
- 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_off0000dc41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC41 | 17664 bytes |
SHA-256: 5174abc90837c241f7c1ecbdbcf298b65f5e714bdc4acbf3b59094e0e1c9f34f |
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font_01_sfnt_off00010a66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001227d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1227D | 10180 bytes |
SHA-256: bb954fe459435d2161399ee4d41e137affeae31633bec92f4cbb8f3b4fdc70f2 |
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