MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting PDF vulnerabilities or redirecting users. It also features numerous external URIs, many hosted on disposable domains, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for distributing further malware or conducting phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://instalace-charvat.cz/userfiles/file/wavininepadivejezujopixa.pdf In PDF document text
- https://motoquadro.de/userfiles/file/dajasosusasewezilipopoja.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/213727121961386e1403943.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359787aebf0---8334770199.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/34071022781.pdfIn PDF document text
- http://gilendor.cz/userfiles/file/50627594265.pdfIn PDF document text
- http://vallovin.it/userfiles/files/68724433978.pdfIn PDF document text
- http://bbfederico2.net/userfiles/file/97091193080.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/kanisatanexobulesofukevof.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/78283194811.pdfIn PDF document text
- https://kapefashion.com/files/files/57691109099.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/vakunowu.pdfIn PDF document text
- https://acrgruppe.de/userfiles/file/mamone.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/91582635124.pdfIn PDF document text
- http://violetstudio.in/userfiles/file/nuwopulufitopomom.pdfIn PDF document text
- https://newegys.egyseg.eu/ckfinder/userfiles/files/96563544500.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/tolarigurusikerizewurut.pdfIn PDF document text
- http://avvocatoandreabruschi.it/userfiles/files/vewifiga.pdfIn PDF document text
- http://gugugroup.com/userfiles/kimakano.pdfIn PDF document text
- http://xinxinhouseware.com/uploadfile/files/gowubaruxuzozozagakima.pdfIn PDF document text
- http://studioprogettoarchitettura.eu/userfiles/files/bebipazuxaso.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210905232828.pdfIn PDF document text
- http://childconnect.com/swi/fckfiles/file/vofobuseluzabonulepise.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613708ee5c8a2---88875622069.pdfIn PDF document text
- http://www.vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/fosofuxufafanevigalisib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=redmi+note+9+pro+hotspot+problemPDF 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_off0000d59d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD59D | 18064 bytes |
SHA-256: fcd2fe6496227c6f4d592d1ea2d0056c56c83ae17d24bb27d53f62ce82dc6e4b |
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font_01_sfnt_off000103f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F7 | 10848 bytes |
SHA-256: 23c1b4855cbbfa1b6b90f6870ed95639a13498419b4d90a564cccd385dd34c91 |
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font_02_sfnt_off00011c8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C8A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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