MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, many pointing to PDF files on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a potential phishing or malware distribution scheme. Although no scripts were explicitly extracted, the nature of the heuristics and the embedded URLs strongly suggest a malicious workflow, likely involving redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://musikkursus.dk/userfiles/file/sizogagevuvuti.pdf In PDF document text
- http://asv-solnice.cz/_files/file/pamejop.pdfIn PDF document text
- https://koncnc.com/genelresimler/file/luzejekuxolez.pdfIn PDF document text
- https://il-gusto.com/images/file/4593044808.pdfIn PDF document text
- https://blgjad.com/upload/files/zojuvedimokupitovideje.pdfIn PDF document text
- https://noursportevents.com/wheelmarine/userfiles/file/xivubufev.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/61041951732.pdfIn PDF document text
- http://ahnil.com/userData/board/file/67201534250.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/jisafemokotasipapusegife.pdfIn PDF document text
- https://searchlink.org/userfiles/file/ditadunimogife.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/31732397063.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/80462254625.pdfIn PDF document text
- http://gro-felix.si/uploads/visokizonagasafunazeloz.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404687b43e2---43353574865.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/buluzusariliruvuvu.pdfIn PDF document text
- http://fzsvybbs.at/userfiles/file/21725077657.pdfIn PDF document text
- http://architettotoma.it/userfiles/files/4122336121.pdfIn PDF document text
- http://zerosquareonline.com/file/xezunisazepemab.pdfIn PDF document text
- http://drivescuolaguida.it/userfiles/files/supevuligitogowena.pdfIn PDF document text
- http://standardamulet.com/files/files/kowajuxu.pdfIn PDF document text
- http://nhatnguyen.vn/media/ftp/file/23427983563.pdfIn PDF document text
- https://motoralbini.it/files/file/larajufumok.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137d349146de---zukugo.pdfIn PDF document text
- http://vindindex.nl/images/uploads/duxolosazafil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=live+nettv+v4+7PDF 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_off0000e31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE31E | 18236 bytes |
SHA-256: 2eb7ee9759e7aeb108bce08c62acdd6b7d62240e962a50bf6646eae8e5b8e8b3 |
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font_01_sfnt_off00011203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11203 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A19 | 9656 bytes |
SHA-256: 99c69d4f29b457bf8f0963f7bab4eab98e9f743f8a7cf36d8c9064b219934197 |
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