MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating an attempt to redirect the user to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a tactic of using numerous disposable domains to host malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://smidgel.ru/uplcv?utm_term=mx+video+player+pro PDF link annotation
- https://relaxbotanika.cz/ckfinder/userfiles/files/64365680658.pdfIn PDF document text
- https://didaktika.drmix.cz/uploads/files/tafif.pdfIn PDF document text
- http://agrobud.net/uploaded/file/57085700837.pdfIn PDF document text
- https://studyhalltracker.com/files/file/15567668412.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/pigodunemupusawidaliviken.pdfIn PDF document text
- http://posuni.com/userfiles/file/luwukof.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/gokenabijibugejemedeluvob.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/35812104146.pdfIn PDF document text
- https://granitnet.hu/editor_up/dokazasafisuwolize.pdfIn PDF document text
- https://cplastik.cz/data/cms/file/matesolitefasibetadu.pdfIn PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/vokegibivomiseji.pdfIn PDF document text
- https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/87888784223.pdfIn PDF document text
- http://bouwbedrijfansing.nl/userfiles/file/91276007225.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/04365d64c074b040182baaaf3fdce173/vuzetalesafotoli.pdfIn PDF document text
- http://coreaad.com/DreamDataUpload/file/41478480736.pdfIn PDF document text
- https://strategie-forex.com/ckfinder/userfiles/files/jobosalemanenadokux.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/99747512415.pdfIn PDF document text
- http://songhandiban.com/uploadfile/file/2021090503542873499.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/27709936300.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/74347271997.pdfIn PDF document text
- http://mnarch.it/userfiles/files/vubazewabibazezinega.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f038c43cb1---99218084543.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/64500639263.pdfIn PDF document text
- http://zaiger.ru/img/file/rikewapobujupivodupixa.pdfIn PDF document text
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/25602387798.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_off0000b089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB089 | 10292 bytes |
SHA-256: 7a3ec16db5066d06b1c9f34efce41527c1bd64ee8800febfaf121e5437bbb2d6 |
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font_01_sfnt_off0000c7cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dfe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE1 | 15240 bytes |
SHA-256: 50967e530dacd9120180905ff8cc097646587151c5a180b6e603dd3907d48aad |
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