MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for malicious PDFs to execute code or redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the document is part of a link farm, likely intended to host phishing pages or distribute malware. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely attempts to download and execute a second-stage payload or redirect the user to a malicious website.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://muahohangnhat.com/app/webroot/uploads/files/95615668076.pdf In PDF document text
- https://tybistanbul.org/resimler/files/70408002151.pdfIn PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/82704245142.pdfIn PDF document text
- https://edouardweil.com/userfiles/file/jidimulupejo.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210911142052833.pdfIn PDF document text
- http://sunrui-ti.com/d/files/wilununovimu.pdfIn PDF document text
- http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/25079912274.pdfIn PDF document text
- https://reparation-mobile.net/userfiles/file/vakemobuluvateragok.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/57475029077.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/25600012180.pdfIn PDF document text
- http://devison-matras.ru/upload/file/voxupiworajinebawebaku.pdfIn PDF document text
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/ginelizufasi.pdfIn PDF document text
- http://ingpiazza.eu/userfiles/files/96548718812.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/bojidagawigev.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/91465594653.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/30006568375.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/58665487813.pdfIn PDF document text
- https://togeltop.net/contents/files/21173726738.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/b502c909b28ab02b98a2f0c12e438818/nodimuvex.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/747d551fa1e7a6b9fa4aa58f170b0e99/pijese.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/88567067835.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/karixoj.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/33000482211.pdfIn PDF document text
- http://cochemical.com/upload/files/monafisekulovitagogixila.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=harry+potter+and+the+prisoner+of+azkaban+epub+freePDF 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_off00015378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15378 | 19624 bytes |
SHA-256: 13f6a872b7ce1b5e1a66fb2d920f9eb7dc4410a3398399fd96a6021d94ca1d76 |
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font_01_sfnt_off00018702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18702 | 11048 bytes |
SHA-256: 4223cdf5b19768ade8db5112211a09843b9642d4c58d4d0307e08bb6a48dd5a5 |
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font_02_sfnt_off0001a077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A077 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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