MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains embedded JavaScript, which is likely used to initiate a download or redirect the user to a malicious site. The PDF also acts as a link farm, with numerous external URLs pointing to potentially malicious content, suggesting a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://rafaellopezehijo.com/upload/files/sasesujaduba.pdf In PDF document text
- https://khonggiansachhanoi.vn/uploads/files/67048229992.pdfIn PDF document text
- http://robalton.es/Albums/images/file///guwejuzituratamavu.pdfIn PDF document text
- http://haozuowenwang.com/imagefiles/file/luzadabab.pdfIn PDF document text
- http://www.shjkyq.com/up_files/FCK/file/96996423711.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387f7ce83bd---felepiwopanazudoratumewij.pdfIn PDF document text
- http://xn--3e0b556bhrbowi6undva.com/ckupload/files/53190954278.pdfIn PDF document text
- http://gamax-motor.cz/data/dokumenty/xagos.pdfIn PDF document text
- http://likuidart.com/files/ckeditor/files/33125787332.pdfIn PDF document text
- http://jarosi.hu/files/file/3158725205.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/14244090618.pdfIn PDF document text
- https://nusbetaja2.com/contents/files/zikiridotugitesubise.pdfIn PDF document text
- http://damnoen.com/ckfinder/pho/files/tusesalikidege.pdfIn PDF document text
- http://cwesp.biz/upload/file/36291735103.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/kaxanufeniwisukafetuxoliw.pdfIn PDF document text
- https://taksis.lv/taksis/userfiles/file/36652965834.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/gakiwoli.pdfIn PDF document text
- http://dalaichau.com/files/72852032777.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302075d00d7---80233668743.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/808189974.pdfIn PDF document text
- http://dekobonner.de/userfiles/file/nigoxodurajuvudikum.pdfIn PDF document text
- http://preprod.app-nomads.com/ugecam/admin/ckfinder/userfiles/files/4314999586.pdfIn PDF document text
- http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/juwusajagigatopa.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/2021971221197572.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/dapurokatewat.pdfIn PDF document text
- https://geloracinta.com/contents/files/rivet.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=brightness+dimmer+apkPDF 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_off0000c41d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC41D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC34 | 10820 bytes |
SHA-256: 49562941a4eb59f9388b399a0b2eae0b8e9363d9e6a630c218a6ece5d30b8236 |
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font_02_sfnt_off0000f4c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C2 | 17708 bytes |
SHA-256: 2a743c6c8085a3931ab9ca6864a7171f5963b6d70665c384133d7174ec8d8ad6 |
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