MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a phishing or malware distribution scheme. The ML classifier and ClamAV detection further confirm the malicious nature of the file, indicating it is likely a phishing lure that leads to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://oniceh.ru/uplcv?utm_term=stress+induced+gastroparesis PDF link annotation
- http://fitviewer.biz/files/file/lugitemofevijuke.pdfIn PDF document text
- http://3gr-group.com/ci/userfiles/files/rorovomexatewapirakot.pdfIn PDF document text
- http://the-bom.kr/upfile/files/40043855981.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/zuladodotonud.pdfIn PDF document text
- http://hydrem.ru/images/file/6677999771.pdfIn PDF document text
- https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/8370418933.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109302342081245.pdfIn PDF document text
- https://mosallaesf.ir/uploads/ck/files/82790642849.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/vamewaxizalusovuxunevobif.pdfIn PDF document text
- https://bunianco.com/other_files/File/3261382970.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614980becbd2e---pokeweve.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/87182716402.pdfIn PDF document text
- http://kant21.com/userData/board/file/22116821443.pdfIn PDF document text
- https://www.seblocation.com/ckfinder/userfiles/files/pugidowuludo.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/15411793284.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/70187545938.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/50574407138.pdfIn PDF document text
- http://jowinbio.com/upload/files/202109141753032788.pdfIn PDF document text
- https://ptogel2.com/contents/files/16716164375.pdfIn PDF document text
- http://phamtrangia.com/upload/files/migitozudiwe.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdefb86dba---44208516724.pdfIn PDF document text
- http://hattingtoemrerogsnedker.dk/userfiles/file/6498413121.pdfIn PDF document text
- https://paperland.bg/uploads/file/zojuva.pdfIn PDF document text
- https://kopari.hu/files/file/69213147206.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_off0000b1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1AF | 14904 bytes |
SHA-256: d43a600e0bc72564266dcc13a18cec831fa1ee5fd7fd2a336cd81debae0ef144 |
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font_01_sfnt_off0000d73c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD73C | 10820 bytes |
SHA-256: ac6a8e1e33dc5534915edbea8af29ac1c06c293c3f0788de83be3383487295a6 |
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font_02_sfnt_off0000f013.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF013 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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