MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and multiple external URIs, indicating malicious intent. The heuristic firings suggest the document is a link farm, potentially leading to phishing or malware downloads. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://huntic.ru/uplcv?utm_term=button+in+fragment PDF link annotation
- http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/vogolepam.pdfIn PDF document text
- http://altronic.pl/!mag2011/userfiles/file/nufaxekenav.pdfIn PDF document text
- https://thebookonpersonaltransformation.com/FCKeditor/file/77347648610.pdfIn PDF document text
- https://guruamardaspublicschool.com/userfiles/files/45103798653.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/razoduvedat.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/81153128296.pdfIn PDF document text
- http://francescasciortino.it/userfiles/files/72069509204.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/90fe793ecfa4190955abf17e635a31b9/zopavoxomage.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/lcgkln8hteo76qvsh7h0gdrgrp/wukozowogabopikimufudaxap.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146d36c668bd---tajipezatalobewo.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/zafeboxegunozelawugo.pdfIn PDF document text
- http://crm333.com/documentos/file/vurodorekubidomofote.pdfIn PDF document text
- https://mehreganimaging.com/images/upload/files/61056278738.pdfIn PDF document text
- https://ataru.site/js/ckfinder/userfiles/files/77496382899.pdfIn PDF document text
- https://www.asoriofrio.org/ckfinder/userfiles/files/lipidozegulubexuba.pdfIn PDF document text
- http://hichipper.com/hichipper/uploadfile/file/2021091819131373499.pdfIn PDF document text
- http://tareeapartment.com/user_img/files/pazidetimebanogug.pdfIn PDF document text
- https://daiichitravel.com/uploads/news_file/2759360555.pdfIn PDF document text
- http://hanilkwanla.com/uploads/files/12337328369.pdfIn PDF document text
- http://ydis.kr/userfiles/file/081436183496.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/43498925070.pdfIn PDF document text
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/73119619546.pdfIn PDF document text
- https://keyseries.us/userfiles/file/mumudam.pdfIn PDF document text
- 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_off0000d755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD755 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF67 | 17172 bytes |
SHA-256: 3b8d1fadcb232c43122c4ac5383b20c38556da462089178bedc4bc7b09f71392 |
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font_02_sfnt_off00011c94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C94 | 10496 bytes |
SHA-256: fd13981163ee431c4ef958bddfdafcc066fc2e892edc8d793d8a3f7da9418354 |
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