MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URLs are consistent with techniques used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://wastran.ru/uplcv?utm_term=zenith+2016+pdf PDF link annotation
- https://dpt-mh.com/uploads/news/files/79407311321.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/2432888102.pdfIn PDF document text
- https://fuze-pay.com/ckfinder/userfiles/files/82206939000.pdfIn PDF document text
- https://art-gallery.mn/uploads/files/25331232896.pdfIn PDF document text
- http://renknh.com/ckupload/files/88106807931.pdfIn PDF document text
- https://kawanmto.com/contents/files/repatexejesesazenepar.pdfIn PDF document text
- https://mytshirtcreator.com/app/webroot/files/file/51086933034.pdfIn PDF document text
- https://pracowniatechart.pl/fckpliki/file/80873022934.pdfIn PDF document text
- http://toyotarent.kr/FileData/ckfinder/files/20210906_9D86E44A556D8099.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/dizerovunimanumuka.pdfIn PDF document text
- http://gruaszarate.com/ckfinder/userfiles/files/6821235547.pdfIn PDF document text
- http://condominiobrisasdelnorte.com/userfiles/file/77635240692.pdfIn PDF document text
- http://fornacedelia.it/userfiles/files/rofivofijomazuwu.pdfIn PDF document text
- http://residencecarlofelice.com/userfiles/files/44761953869.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a7e9ddda3---13805627451.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-9/20210909015634902085.pdfIn PDF document text
- https://umiyawoodworks.com/fckdb/userfiles/file/9652489299.pdfIn PDF document text
- http://candleelectricals.com/uploaded_files/userfiles/files/3611765335.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/1792968852.pdfIn PDF document text
- https://irastuff.com/admin/ckfinder/uploads/files/gituviwizanor.pdfIn PDF document text
- http://hmed.vn/upload/files/kizexapatobefifunijiten.pdfIn PDF document text
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/kupumobelebugedilum.pdfIn PDF document text
- http://geraldinekilkelly.ie/jopakubo.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c52257551b62815e0a4a72806fcee46c/82750250283.pdfIn PDF document text
- http://konberdbio.com/upload/files/pofoxixudin.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_off0000ca95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA95 | 20752 bytes |
SHA-256: c588887875b4f3a591519eb4f1a568c892760c1be844a8a12c8d377a2c56544e |
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font_01_sfnt_off000100bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100BD | 10424 bytes |
SHA-256: 7ef95c6d9adb6addd43dc0e0987c2a1dc02a75d3e452a59c6515a2ad9aec8fd4 |
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font_02_sfnt_off00011863.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11863 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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