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. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous unknown URLs suggest the document is designed to redirect users to a collection of potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
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://pensiuneaselina.ro/userfiles/file/87660191523.pdf In PDF document text
- http://tootingtaxi.com/survey/userfiles/files/wovorizawapote.pdfIn PDF document text
- http://ideatity.com/ckfinder/userfiles/files/49789721865.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/xoxogotivaporadizi.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/66437379635.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16140e2e96f94d---31562187505.pdfIn PDF document text
- http://retroldn.com/userfiles/file/xininumu.pdfIn PDF document text
- https://enilubricant.hoakhanh.vn/uploads/image/files/melopunubakupivimepax.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/tidobolimi.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/fededujosovuwo.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/dosefopomimafiturojisuve.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16130d22d28848---66351542651.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/padujexodopesujukutux.pdfIn PDF document text
- http://chuanghuilaw.com/filespath/files/20210915155444.pdfIn PDF document text
- https://shen-su.eu/gfx/userfiles/files/61413947250.pdfIn PDF document text
- https://vsevolozhsk.mebel18.com/uploads/files/wekediladolumemifupaje.pdfIn PDF document text
- http://citygclub.com/ckupload/files/dujurilumis.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/mopupaxeder.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/50623388675.pdfIn PDF document text
- http://fatfailogistics.com/fckeditor/files/file/sanex.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/fakegibovuwapuzubon.pdfIn PDF document text
- https://tanhoaphat.vn/userfiles/file/getoli.pdfIn PDF document text
- http://france-ex.com/images/blog/file/kiluxebaxokomi.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/65308889406.pdfIn PDF document text
- http://bogaarchitetti.it/userfiles/files/66383038513.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+send+audio+message+androidPDF 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_off0000d7fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7FC | 17932 bytes |
SHA-256: cece17b05b1550d899677004c2c75c0acd1535ee13c7b83d0da6c93f74aba00f |
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font_01_sfnt_off00010692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10692 | 10724 bytes |
SHA-256: c92f3ab50e643e9b68faa1d11ce66bb91b821fbc5ca24b874b333c5b6861f415 |
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font_02_sfnt_off00011eff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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