MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of links on disposable hosting, suggesting a phishing or scam attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a second-stage payload via the embedded JavaScript.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://msiutilities.net/documents/31510707765.pdf In PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/senigitixokid.pdfIn PDF document text
- https://www.corpeverest.com/ckfinder/userfiles/files/rerojoxumefajelesefatatuw.pdfIn PDF document text
- https://ikincielinmak.com/upload/ckfinder/files/21313247171.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/55682557030.pdfIn PDF document text
- http://westernmaki.com/uploads/files/dopanososuba.pdfIn PDF document text
- http://movesearchesuk.com/userfiles/file/pidaninugasi.pdfIn PDF document text
- http://omnoiptv.com/outscapes/admin/ckeditor/uploads/ck/files/16643969106.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/5803892907.pdfIn PDF document text
- http://salt17.com/userfiles/files/lolezaropuzemexagedi.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614a4382c34e8---66695643685.pdfIn PDF document text
- http://commune-bourre.com/userfiles/file/navovufawax.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/rulage.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/woforazukug.pdfIn PDF document text
- http://jingyitech.com/uploadfile/79692954965.pdfIn PDF document text
- http://azizavacanze.com/userfiles/files/sugirox.pdfIn PDF document text
- https://megatekspb.ru/sites/default/files/uploads/34719196963.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/81203201912.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/nofitarejufimizi.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0a01b3242b45a57796b27d649bdbb0cd/78173171693.pdfIn PDF document text
- http://tetraeng.it/userfiles/files/sodoguwenarovas.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/tuluzab.pdfIn PDF document text
- http://stringladies.cz/userfiles/9381280638.pdfIn PDF document text
- http://hamdannepal.com/userfiles/file/sigexuriguvixumewuzikat.pdfIn PDF document text
- http://hpcad.pl/Upload/file/gedajufixegurelomare.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/98074720152.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=periodic+table+with+molecular+weight+pdfPDF 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_off0000b0de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0DE | 14508 bytes |
SHA-256: dad22c2175b81923c617282b79a6ba37109244ebc6dbd586df318c0434fa8650 |
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font_01_sfnt_off0000d52a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD52A | 11124 bytes |
SHA-256: 18b17786629fd223b15dd5a8821fa6de1b3abda676df424a550b2e9878e5708a |
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font_02_sfnt_off0000eebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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