MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://inwebjor.ru/uplcv?utm_term=top+scanner+apk PDF link annotation
- http://thanhlapcongtykiengiang.com/upload/ck/files/36292094350.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315173934df---84138505581.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/92934979042.pdfIn PDF document text
- https://bbu.vn/Images_upload/files/54712437392.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/12538047402.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161355d7dc6775---kajegalibavibozirinazixi.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/91847219.pdfIn PDF document text
- http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/71910777100.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/zumemejirevag.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/perifulimatev.pdfIn PDF document text
- http://henzefashion.com/userfiles/file/tudovovixejitifesemob.pdfIn PDF document text
- http://bigdoughpizza.com/uploads/files/jononenewopogul.pdfIn PDF document text
- https://thefertilizergranulators.com/d/files/zazowojekomuda.pdfIn PDF document text
- http://audiohrestomatiya.ru/content/file/24726591651.pdfIn PDF document text
- http://perfect-aerosol.eu/userfiles/file/36219576955.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/sunukewibiriposagevozufo.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210905045942.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/renuteraxekesalesutavud.pdfIn PDF document text
- http://laboratorioshamalab.com/userfiles/file/bujupirajilugameziwulujop.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/80702569940.pdfIn PDF document text
- https://aaaxxion.info/images/file/58060494925.pdfIn PDF document text
- http://nessium.fr/userfiles/file/64399850943.pdfIn PDF document text
- https://damiel.eu/userfiles/file/radutu.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/61156331099.pdfIn PDF document text
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/43063999079.pdfIn PDF document text
- http://pm-ural.com/uploads/files/70879942313.pdfIn PDF document text
- http://gsxr.hu/userfiles/file/96930490777.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_off0000df29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF29 | 10188 bytes |
SHA-256: 27b1f8774ef0d1645221af3a8c4cee83f9716b87872e808fce97641c4dfe5cb6 |
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font_01_sfnt_off0000f624.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF624 | 17604 bytes |
SHA-256: 3635dc95f1413d78a72106fd764f2ba589f2b354aba3e323dec80a11d0abcd20 |
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font_02_sfnt_off000123fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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