MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The PDF contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms, suggesting a phishing or redirection attempt. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.hsbofmn.com/ckfinder/userfiles/files/73765791372.pdf In PDF document text
- https://mobspace.xyz/web/img/podborky/files/mulujiredu.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/21649642510.pdfIn PDF document text
- https://mayxaydunghoangphuc.com/userfiles/files/kadabiz.pdfIn PDF document text
- http://kaiyudachem.com/filespath/files/20211003035018.pdfIn PDF document text
- https://irastuff.com/admin/ckfinder/uploads/files/tapimoduromijafeb.pdfIn PDF document text
- http://boldino-hotel.com/ckfinder/userfiles/files/12589907103.pdfIn PDF document text
- http://zonwering-nederland.com/ckfinder/userfiles/files/xetadagomejasomebawiz.pdfIn PDF document text
- http://savalis.ru/userfiles/file/29503429892.pdfIn PDF document text
- http://styrexon.cz/userfiles/file/65642514357.pdfIn PDF document text
- http://pes.edu.mn/ckfinder/userfiles/files/rasameziv.pdfIn PDF document text
- http://tipsclubcr.com/campannas/file/vaberirexuxumamigakusit.pdfIn PDF document text
- https://dnm.tw/uploads/files/202109081628545632.pdfIn PDF document text
- http://my-glc.com/uploads/file/bejixeviru.pdfIn PDF document text
- http://cameranichietsu.com/luutru/files/64579504866.pdfIn PDF document text
- http://e-hematologica.pl/users/file/galuxeluwavezab.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/12262634891.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/75248274397.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/65547540859.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/popuwetimosajomanopupeges.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16149a63bb4207---sikobokexekirubax.pdfIn PDF document text
- https://kiptep.ru/file/27215381960.pdfIn PDF document text
- http://wu-pao.com/upfiles/editor/files/taziwalusemedezux.pdfIn PDF document text
- https://pima-alarms.eu/slicice/file/mivexidokonuponoz.pdfIn PDF document text
- https://coluer.ir/documents/file/gaziwifufumupewirug.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=watershed+management+journal+pdfPDF 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_off0000b495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB495 | 15888 bytes |
SHA-256: 92f0814a43438006a4ebc35d6a4079502e5486e8a0b1c367a9e1aed898baa25d |
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font_01_sfnt_off0000dd15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD15 | 11076 bytes |
SHA-256: edc91a3db9443f8f92c677ef509bcc5355a5e848ab23c124f07011e15c426b08 |
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font_02_sfnt_off0000f690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF690 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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