MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs suggest the document is designed to redirect users to a collection of potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://netcsemege.hu/ckfinder/userfiles/files/suvevuzurog.pdf In PDF document text
- http://pharmabiosolutions.com/filespath/files/20210910065355.pdfIn PDF document text
- http://cameranichietsu.com/luutru/files/3879642974.pdfIn PDF document text
- http://lovesenergy.nl/file/89412067939.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/4f3adb32vu29ps33kre7pmv05t/23125428953.pdfIn PDF document text
- https://olamare.com/img/uploaded/file/pijuw.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/6359788786.pdfIn PDF document text
- http://daisin1977.com/js/upload/files/77241482490.pdfIn PDF document text
- https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/rugigisafoniwojevanadim.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/xozepevufumome.pdfIn PDF document text
- http://library.nesdb.go.th/ic/admin/ckfinder/userfiles/files/72994275582.pdfIn PDF document text
- https://thebookonpersonaltransformation.com/FCKeditor/file/bofop.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/userfiles/file/vamutoriwirofem.pdfIn PDF document text
- http://huyminhplastic.com/upload/files/24867203148.pdfIn PDF document text
- http://fongyoskert.hu/userfiles/files/ximesur.pdfIn PDF document text
- https://wonwon.taipei/photo/file/43890582057.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/kalewenap.pdfIn PDF document text
- https://seeandhearbetter.ie/img/shop/contents/41201211035.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16146d563248c2---bemirure.pdfIn PDF document text
- http://kaizenlife.com/ckfinder/userfiles/files/7043573311.pdfIn PDF document text
- https://bedandbreakfastholten.nl/userfiles/file/10841368193.pdfIn PDF document text
- https://shevian.com/images/file/tufefoduvosuwezimez.pdfIn PDF document text
- http://uktohabbarijamalta.com/files/file/82608268535.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/pikafavumonivu.pdfIn PDF document text
- https://yuvasarkar.org/userfiles/file/daluzikokuboxazedosano.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=first+largest+countryPDF 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_off0000e5c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD8 | 10596 bytes |
SHA-256: ed6f7f0ec923d94df26d61a8f680c7b76930819b9be195dcf53180a46ae4d379 |
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font_02_sfnt_off00011638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11638 | 18052 bytes |
SHA-256: a74c68acadff4e7c7b6aac043971cb3b8ed958d40462fa637180c9cff78b7435 |
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