MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs pointing to disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm strategy, likely to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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=excel+data+entry+pdf PDF link annotation
- http://terfigyelokamera.info/files/file/vajukofukavuxesiw.pdfIn PDF document text
- https://quangtriasianwindow.com/uploads/image/files/95230000388.pdfIn PDF document text
- https://nomaquito-travel.com/editor-images/96875105232.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/fajidepega.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/sabupukof.pdfIn PDF document text
- http://szintai.hu/ckfinder/userfiles/files/xoruzeritonasifefe.pdfIn PDF document text
- http://seednseed.com/admin/fckfiles/file/94437941628.pdfIn PDF document text
- https://evermoral.hk/upload/file/1632004013.pdfIn PDF document text
- http://aurastaffing.es/upload/file/4635077210.pdfIn PDF document text
- https://cukimentescukraszda.hu/files/files/10281450355.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/77442736584.pdfIn PDF document text
- http://aj-freight.com/ckfinder/userfiles/files/ginajopifokim.pdfIn PDF document text
- https://coevent.ru/upload/files/lisirukomibidegedij.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/11457441802.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16147c52242445---vudubap.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/nexabufibaseno.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/67396192845.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/65376505327.pdfIn PDF document text
- http://parvazyab.net/basefile/api203/files/74819283020.pdfIn PDF document text
- https://ajur.rest/uploads/userfiles/file/bajebum.pdfIn PDF document text
- http://suriyedostlukdernegi.org/image/files/rukewarirowuvukafomot.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1631193960.pdfIn PDF document text
- http://thestarbusan.net/FileData/ckfinder/files/20210919_DC49032060096743.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_off0000d3c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C9 | 18104 bytes |
SHA-256: 49b50dc8855d8daf400e05e9aa299daae1e98558362ada232ce2cbc62e5556e2 |
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font_01_sfnt_off000102db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102DB | 10432 bytes |
SHA-256: 8d0bf839f91f26da300500b6e2853914375b64d24da8722c9831256e3f5bf57f |
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font_02_sfnt_off00011aaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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