MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs pointing to disposable domains, indicative of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation of PDF vulnerabilities to execute the embedded JavaScript. The presence of a link farm on disposable hosting further supports a phishing or malware delivery attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://yodobashi-church.com/31434035246.pdf In PDF document text
- http://hidropro.hu/upload/radoxuxeje.pdfIn PDF document text
- http://msinziniering.com/userfiles/file/13541258919.pdfIn PDF document text
- http://stlukesfp.org/ckfinder/userfiles/files/mivajasaxov.pdfIn PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/fotoboduwarepaxozabu.pdfIn PDF document text
- http://dvif.fr/userfiles/file/fasufaxefebe.pdfIn PDF document text
- http://wpchkg.com/upload/image/file/31775503012.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/depuwewajejetidenuf.pdfIn PDF document text
- http://usmleworkout.com/files/file/wikodizaxafidovilu.pdfIn PDF document text
- http://matchonusa.com/uploads/files/ganudota.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210922_152353.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/edcb47eeab1964e1a8368a17b1606b22/83885898379.pdfIn PDF document text
- https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/93601495753.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/selagosurenebabivejob.pdfIn PDF document text
- https://drproperty.in/userfiles/file/28182117430.pdfIn PDF document text
- http://netdepphunu.vn/images/userfiles/file/31478532953.pdfIn PDF document text
- http://hyosangjo.com/userfiles/file/20210916215252.pdfIn PDF document text
- https://cafesca.info/ckfinder/userfiles/files/zamiwimegox.pdfIn PDF document text
- http://at2apigroup3.com/contents/files/wexuli.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ad8e80bcc---wejarusevumotefixelosaja.pdfIn PDF document text
- http://maksimetall.ru/files/60610894762.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021090604544473499.pdfIn PDF document text
- https://guptajimarriagebureau.com/userfiles/file/gefusinojokutejimakak.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/wudobege.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/2246603721.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=12th+biology+textbookPDF 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_off0000b175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB175 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c987.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC987 | 15544 bytes |
SHA-256: 93fe9f2ebb6248f253e07e70e3bd5d426f650704bab5c0c139c12e4fed276c9e |
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font_02_sfnt_off0000f115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF115 | 10376 bytes |
SHA-256: c42cc28f9743fe148a7500b87d78d8b2f912377d31ee4a0ac1351748c57a7ab9 |
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