MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was flagged by ML and ClamAV as malicious, with heuristics indicating it functions as a link farm. The PDF contains numerous embedded URLs, many pointing to suspicious domains, suggesting an attempt to redirect users to malicious sites. The presence of a disposable link farm on potentially compromised or disposable hosting further supports its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://sicompk.com/survey/userfiles/files/xemevefegorovisatakiso.pdf In PDF document text
- https://zaragozadenoche.es/upload/files/8810198996.pdfIn PDF document text
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/99137063757.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612edc8b8e4ff---fanibefufibemirinopozuxog.pdfIn PDF document text
- http://makassitools.com/userfiles/file///vixanujewidepoxudiredoje.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/natozilopid.pdfIn PDF document text
- http://boletin.alicantehosteleria.com/lib/ckfinder/userfiles/files/najerezerixagewovigebok.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/zepabexa.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/kudorugu.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/57952734236.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/6163957670.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/5713637253.pdfIn PDF document text
- https://mcdelandes.ca/uploads/file/20142333411.pdfIn PDF document text
- https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/fulowovezibar.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210904130657.pdfIn PDF document text
- http://saopauloairporttransfers.com/ckfinder/userfiles/files/96208179236.pdfIn PDF document text
- http://patp1ryb.ru/media/file/52893456156.pdfIn PDF document text
- http://jagdrevier.hu/upload/images/file/vowerukulowox.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613d4f4ddbfbf---39921118738.pdfIn PDF document text
- http://hebakotb.net/userfiles/file/95947149027.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/jibamanubiramotafin.pdfIn PDF document text
- http://estatepie.com/files/userfiles/file/kusoga.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=pearl+harbor+full+movie+with+english+subtitlesPDF 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_off0000c5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D5 | 11056 bytes |
SHA-256: 0f0bbd87051431bdd149bfd85acba0edee78895a60f48f0b5c7ae4643f37f8ae |
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font_01_sfnt_off0000df6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF6D | 17304 bytes |
SHA-256: a4b7d596e281fce20c7fddcadac8f577ca86361d229fba7d2b6d36a5c69ea8de |
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font_02_sfnt_off00010c96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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