MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs, many of which are part of a link farm on disposable hosting, suggesting an attempt to obscure the final destination. One heuristic specifically mentions a QR-code redirect lure, indicating the document's intent to trick users into scanning a QR code, likely leading to a malicious site or download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9757
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://drafthe.ru/uplcv?utm_term=scan+qr+code+generator+free PDF link annotation
- http://learningkey.org/userfiles/72130266742.pdfIn PDF document text
- https://lesura.net/userfiles/file/xawivomudukomiwuregeduz.pdfIn PDF document text
- http://jump360.co/upload/files/20210917015927.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/nubuvopifezukojofex.pdfIn PDF document text
- https://konchris.com/userfiles/file/1631087137.pdfIn PDF document text
- http://fecoil.com/userfiles/file/82345055223.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/mifewigepiruduxesa.pdfIn PDF document text
- https://webmanagement.produse-electrice.ro/images/file/87776608540.pdfIn PDF document text
- http://danangsculpture.com/uploads/image/files/89574123688.pdfIn PDF document text
- https://mantyobras.com/userfiles/file/70516927154.pdfIn PDF document text
- http://asliev.coco1490.com/upload/file_folder/file/65094893479.pdfIn PDF document text
- https://fokusmedia.com/images/uploads/sibep.pdfIn PDF document text
- https://tsydesign.com/userfiles/jws/files/zakuwone.pdfIn PDF document text
- http://andreaslasnik.com/data/files/65276209532.pdfIn PDF document text
- https://net-mex.hu/ckfinder/userfiles/files/gomodonizovedurupawejaz.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/8813048966.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133538223cbe---feteminukuwuzinolagadul.pdfIn PDF document text
- http://abc-tel.ru/data/File/70937501537.pdfIn PDF document text
- https://artesapanaderia.xyz/aym_image/files/22556274326.pdfIn PDF document text
- http://ctcinsulator.com/uploads/file/sinazija.pdfIn PDF document text
- https://ka-base.no/images_students/files/bozovakolenonajetolowopaf.pdfIn PDF document text
- http://placidlakes.com/larpm/uploads/file/89330655155.pdfIn PDF document text
- http://statsale.com/data/upload/ck/files/mogozobuduz.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/10127967818.pdfIn PDF document text
- http://yves-segers.be/userfiles/files/70387727584.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/77070655813.pdfIn PDF document text
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b37e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB37E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB8F | 16616 bytes |
SHA-256: 06f1d5f5a9083a80364da0885936c8ddb2848b41a67694407b5e75bff462a068 |
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font_02_sfnt_off0000e2d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D7 | 10568 bytes |
SHA-256: 0daee269bd4e632eb378d6a6cae0fd43c238feee669a2b1d68dbed35ff801183 |
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font_03_sfnt_off0000fa9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9A | 17608 bytes |
SHA-256: 46a40e93d4bfa72946c832a328b58d34c39dca53b35ab63c5e472243cb764648 |
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