MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous external URLs, many of which are embedded within the document's structure, suggesting a link farm designed to redirect users to potentially harmful sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://laborke.ru/uplcv?utm_term=how+to+install+nox+player+without+graphics+card PDF link annotation
- http://sonnenheizungen.ch/fckeditor/editor/images/file/47297096764.pdfIn PDF document text
- http://dorapeyzaj.com/userfiles/file/nigekidibepulupa.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/10618332313.pdfIn PDF document text
- https://congnghiepxd204.vn/upload/files/biguludowusubomiwumifafip.pdfIn PDF document text
- https://ordermorestuff.com/cmsCart/upload/file/94369241822.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/mozufijom.pdfIn PDF document text
- http://sghscsjamarai.org/guruhargobind/userfiles/file/22825882578.pdfIn PDF document text
- http://infinity8talents.com/userfiles/file/tenogakadejidox.pdfIn PDF document text
- https://kuepancong.com/contents/files/36267064943.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/gasoba.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db0de486ab---vedarofiwuvegupenolozi.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/2103973934.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/09/08/50574057573.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140cde869fc7---38627558782.pdfIn PDF document text
- http://agmapure.com/upload/files/lofanolakerijefidujisor.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/85167286204.pdfIn PDF document text
- http://kirche-treuen.de/UserFiles/File/tivev.pdfIn PDF document text
- https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/minikolesijuxofefoxotegam.pdfIn PDF document text
- http://budapesticukraszdak.hu/userfiles/files/tagopabuw.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/susimumopevolukikerudiwub.pdfIn PDF document text
- https://dansobentre.net/uploads/file/gulutuwikixude.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/xagal.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/mozodorabipagubaguri.pdfIn PDF document text
- http://pibar.tw/uploads/files/202109032315541587.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/93226776981.pdfIn PDF document text
- https://imaggu.com/ci/userfiles/files/vajovoxuzoxokobe.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC8 | 11184 bytes |
SHA-256: 10f1d302b02a7d7037c0f5495b743f69c578d9bf4ffa6609692742ee55786414 |
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font_01_sfnt_off000108c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108C4 | 17136 bytes |
SHA-256: eb16d54d3819a85ad9f8fdcf798cbc36cadee7a0f4a0843c00078095431063b9 |
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font_02_sfnt_off000134e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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