MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external links, many of which are hosted on disposable domains, and a heuristic firing for a visual download button, suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://iucecb.com/files/file/lojafegazuvejapotak.pdf In PDF document text
- https://teater77.nl/userfiles/file/pukedosozopurox.pdfIn PDF document text
- http://ifa-astrologie.de/userfiles/file/tadodafatisutisopi.pdfIn PDF document text
- http://www.ssc-ras.ru/ckfinder/userfiles/files/96305436527.pdfIn PDF document text
- http://fitviewer.de/files/file/8313884513.pdfIn PDF document text
- http://mathrainbow.com/userfiles/file/42859260470.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/vovoxavigojire.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/15955993105.pdfIn PDF document text
- http://dienlanhhuubinh.com/upload/files/68513264604.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318a1e2030e---karujozoxolure.pdfIn PDF document text
- https://kozmetikadunakeszi.hu/userfiles/file/pewowujazali.pdfIn PDF document text
- https://guruamardaspublicschool.com/userfiles/files/86540688602.pdfIn PDF document text
- http://pactolous.hu/upload/file/pulilapekutikojarexutaj.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/murexipi.pdfIn PDF document text
- https://businesslife.com/content/files/78557993378.pdfIn PDF document text
- https://adtw1.elfjane.com/ckfinder/userfiles/files/tafile.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16133e0e00f9ac---61744625918.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/nilevisonujugafuluzevafig.pdfIn PDF document text
- https://pgp-puh.hr/fck_media/file/sewelafa.pdfIn PDF document text
- http://upsshop.ru/ckfinder/userfiles/files/bideperaxikag.pdfIn PDF document text
- http://industrialdevices.in/uploads/6698213822.pdfIn PDF document text
- http://jlssj.com/qianzi/upfile/case_editor/file/gatopuwogufixonazexosopem.pdfIn PDF document text
- https://1snrpaulista.com.br/ckfinder/userfiles/files/jirujuzafafive.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=garry%27s+mod+download+pcPDF 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_off0000e726.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE726 | 10628 bytes |
SHA-256: 95a419efdf2246a916ab1fe2ccab65dc5dabca8b70c31f13fede1d3aeea846cd |
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font_01_sfnt_off0000ff92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF92 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A4 | 17704 bytes |
SHA-256: 28129c100e1731b93e592be0fd9255f47b2a0c69fd14a7ace9261219f0d3f194 |
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