MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs pointing to potentially malicious PDFs on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the download or redirection to the malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 http://ammk.sk/userfiles/file/tixotevumirobugezopaba.pdf In PDF document text
- http://fqcycpa.com/jingkelun/userfiles/files/20210901084211.pdfIn PDF document text
- https://darshanam.com/ckfinder/userfiles/files/kutotamenemarijagejoguj.pdfIn PDF document text
- http://matrix-corporation.com/upfiles/editor/files/45245616023.pdfIn PDF document text
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/81736904753.pdfIn PDF document text
- http://vakoplus.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/49993010304.pdfIn PDF document text
- http://tnmetalworks.com/images/files/vubumimiboxumisesavowuvo.pdfIn PDF document text
- http://studio5r.com/userfiles/files/peluzezuxedigof.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/ripokobepedikakopat.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/jvp53fadb5ga60tohekm8ra979/vogitotaxez.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/nigeb.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/13051844283.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__614226700A969.pdfIn PDF document text
- http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/43137432806.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/60566794032.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613309277e350---68221355611.pdfIn PDF document text
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/789235489.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/xezumivavufur.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/7540704979.pdfIn PDF document text
- https://emmaushuis.org/pages/bigofugokawigenisa.pdfIn PDF document text
- http://elitsatodorova.com/uploadfiles/file/zagapir.pdfIn PDF document text
- https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/minozofebejixozigux.pdfIn PDF document text
- http://only-svet.ru/upload/files/demizelunamoromopirazok.pdfIn PDF document text
- http://epoch-making.jp/js/upload/files/83708691372.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=moto+x+2nd+generation+price+in+pakistanPDF 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_off0000c963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC963 | 18220 bytes |
SHA-256: d8d1113da6e9c3a47ca06ab6e40eeb73edb522e3c72e7521ab646c051adad263 |
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font_01_sfnt_off0000f82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF82A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11041 | 10952 bytes |
SHA-256: 72831aff18f28107800a703f82489d80a516746a7bc91ede8eb1ea9348545e55 |
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