MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a fake CAPTCHA heuristic, indicating it's designed to deceive users into performing an action. Multiple external URIs were extracted, with one pointing to a raw IP address, suggesting a potential download or redirection mechanism. The ML classifier also flagged this PDF as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://borgopitti.it/userfiles/file/mavutepitoxutezijefebek.pdf In PDF document text
- https://ximangcampha.vn/upload/files/21623285042.pdfIn PDF document text
- http://elesi.eu/fichiers/files/nefufabikusudexig.pdfIn PDF document text
- http://kingbikeonline.com/images/upload/File/33353441363.pdfIn PDF document text
- https://iaido-iaijutsu.ru/userfiles_exc/62888656114.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/file/1630594334_1.pdfIn PDF document text
- http://sportschoolindex.nl/images/uploads/3070054281.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1630530825_2ad848a803.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613101398d1fa---93275123491.pdfPDF link annotation
- http://zs-oilfieldequip.ru/d/files/mumakowofimefejenus.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/44591047418.pdfIn PDF document text
- http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/72234956350.pdfIn PDF document text
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/zopenepeparujaporunoj.pdfIn PDF document text
- http://corising.info/sa_upload/userfiles/file/20210902211650.pdfIn PDF document text
- http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fogok.pdfIn PDF document text
- http://izmirtavla.com/upload/file/97219552358.pdfIn PDF document text
- http://sasnowosielski.com/ckfinder/userfiles/files/96366969653.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/be9f6e92f65c2b767b5844650c14cf11/rofagerinirugazajadotexo.pdfIn PDF document text
- http://www.salac.cz/ckfinder/userfiles/files/44497424842.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/68839969792.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/e989456ec881f791717edb0dc72e3c61/fisodejetelavogiluvusela.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/moxizagoruj.pdfIn PDF document text
- http://eegbiofeedback-leszno.pl/userfiles/file/kazuga.pdfIn PDF document text
- https://negaratoto.com/contents/files/begipab.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=download+nintendo+switch+emulator+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_off0000da2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2B | 10928 bytes |
SHA-256: 9dc47213823b5060f8c7210db65343e5f33df911b46c8522d48eb12fa026d03f |
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font_01_sfnt_off0000f354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF354 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B66 | 17628 bytes |
SHA-256: abe5599c9a3e46a2eb0365c3f704bef73e3b29509ea050046ba61e89ba273c80 |
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