MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that lead to link farms, suggesting an attempt to redirect users to potentially harmful content or downloads. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a strategy of using many distinct, low-reputation domains to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://umffz21.ru/admin/ckfinder/userfiles/files/ramefuvuzatu.pdf In PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/2823615598.pdfIn PDF document text
- http://zeminyerkaplama.com/upload/ckfinder/files/38360041388.pdfIn PDF document text
- https://www.jnvhardoi.org/ckfinder/userfiles/files/weborajisijejudejadagino.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16145296fc22de---vibifo.pdfIn PDF document text
- http://laskod.hu/userfiles/file/73536847792.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/xukomosuwome.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/35741304769.pdfIn PDF document text
- https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/70781889868.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/kederagajenorilin.pdfIn PDF document text
- http://autovoda.ru/upload/files/zarizukozijigusonovegi.pdfIn PDF document text
- http://www.cottagegrad.ru/files/file/roxifewu.pdfIn PDF document text
- http://khamranghaiphong.com/upload/files/54135169481.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/31771010184.pdfIn PDF document text
- http://vtaky.sk/media/file/22052471961.pdfIn PDF document text
- http://hcstonetw.com/uploads/files/202109121843076723.pdfIn PDF document text
- https://hzautomatisering.nl/userfiles/file/94900831442.pdfIn PDF document text
- https://signika.pl/Upload/file/97039050862.pdfIn PDF document text
- http://associazionemillesogni.it/userfiles/files/notaganudi.pdfIn PDF document text
- http://teraval.cz/res/file/29951498794.pdfIn PDF document text
- http://mydreamtuscanwedding.com/editor_up/kujudepo.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/zavatawopulugagajoteloz.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/87192959273.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/iflb4uuljk03nm1gcriv8l6tf6/pofewil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=ghd+sports+apk+free+download+for+androidPDF 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_off0000c468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC468 | 10812 bytes |
SHA-256: c5ca73f0a3dd9e37bf702d2ac16d067be23ce2f3b30598a281f4ec05a225d853 |
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font_01_sfnt_off0000dd5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f56f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56F | 16164 bytes |
SHA-256: 5f69db413342da0ae40de123aa0681620e6c331157c599e49a6a4f1341a87be9 |
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