MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. This script likely facilitates the redirection to a link farm, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the numerous external URLs. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140f8b98d189---zozedujoduxuva.pdf In PDF document text
- http://rosg.net/sa_upload/userfiles/file/20210914110322.pdfIn PDF document text
- http://www.propper-droppers.nl/files/file/gawasiveb.pdfIn PDF document text
- http://mijn-nederland.nl/userfiles/file/58769308119.pdfIn PDF document text
- https://rosenstein.lu/userfiles/files/42754899410.pdfIn PDF document text
- http://baove24h.info/upload/files/79022434698.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/77075001853.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/96546692787.pdfIn PDF document text
- http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/14484779891.pdfIn PDF document text
- http://woodlander.sk/grafika/file/xigekoxuxetowatufiwaje.pdfIn PDF document text
- https://hinaweb.com/upload/file/zaxulikamarevexem.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/bosokak.pdfIn PDF document text
- http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/64483201353.pdfIn PDF document text
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/33743908318.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/43758663802.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/gidogelokobun.pdfIn PDF document text
- http://potlista.com/file/files/jizekovatonurudesujogido.pdfIn PDF document text
- https://www.pharmawell.eu/ckfinder/userfiles/files/34115700709.pdfIn PDF document text
- http://aleshashop.net/uploaded_files/userfiles/files/xesonetisadaleselebozo.pdfIn PDF document text
- http://biurod9.pl/public/userfiles/file/71992782902.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77959692990.pdfIn PDF document text
- http://ramenzoni.eu/userfiles/files/90458107591.pdfIn PDF document text
- https://vicotelecom.vn/static/source/images/file/16622174139.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/dozunew.pdfIn PDF document text
- https://u15.ch/ckfinder/userfiles/files/20750765634.pdfIn PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/ne1l4kuqeg9pk4ob01sst87g3h/tizetefe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=sushi+roll+3d+downloadPDF 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_off0000db81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF393 | 17900 bytes |
SHA-256: e6c223d4d5c104e93efbb71d12c427e99e251eea98579ad1c6a4cebc9c55c372 |
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font_02_sfnt_off000121f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F6 | 10548 bytes |
SHA-256: 57dc10b96d983f919dea2f83e6d87fea34180f2827194c660898fed76e498ad6 |
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