MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, indicating a link farm designed to obscure the ultimate destination. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM further supports this, identifying the PDF as a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://serviphony.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/28426715748.pdf In PDF document text
- http://pxmonastery.org/CKEdit/upload/files/24391305509.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/tarinefu.pdfIn PDF document text
- http://riccaassociati.eu/userfiles/files/nexuvuzi.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/kanesu.pdfIn PDF document text
- http://geologocarmignani.com/userfiles/files/wekarurodareg.pdfIn PDF document text
- https://www.karelo.com/uploads/File/navibofip.pdfIn PDF document text
- https://stephankeppel.com/userfiles/file/fapud.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16142a500c8294---53353587107.pdfIn PDF document text
- http://jl-vacuum.com/upload/files/xamebukosud.pdfIn PDF document text
- http://rbc-bezorgdiensten.nl/upload/nilisazotunebopaloxawivev.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/pegudukuwivizutus.pdfIn PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/20684696010.pdfIn PDF document text
- https://commonwealthsportsawards.com/userfiles/file/kevasewulifosesajejetaw.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7a452849c---sipirikusedipoxomumivadez.pdfIn PDF document text
- http://e68momo.com/shopadmin/upload/files/wejudegerulej.pdfIn PDF document text
- http://chengzechem.com/upload/files/jagaxada.pdfIn PDF document text
- http://progfin.pl/userfiles/file/92156962203.pdfIn PDF document text
- http://kientrucnhacuagio.com/upload/files/68617312586.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/32462527470.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/putezudisejumifiloxopu.pdfIn PDF document text
- http://antichigelsi.it/userfiles/files/jaruduxuvax.pdfIn PDF document text
- http://xn--b1akwe.xn--p1ai/userfiles/file/20398372192.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+undo+typing+on+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_off0000e01e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE01E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f830.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF830 | 18260 bytes |
SHA-256: ec4146568e0993f6c8500838fd5fb885ff2fd1ec0d952d8fb916502951a3f0f6 |
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font_02_sfnt_off0001280e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1280E | 10512 bytes |
SHA-256: 86a7027199abf6d6256fa25acfec9909e81c8417f4170cbc443c67785d4d1ac7 |
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