MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of external links on disposable hosting, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://chaletsuenodesol.de/files/81302590705.pdf In PDF document text
- https://stiglic.sk/userfiles/file/45405048815.pdfIn PDF document text
- https://kocarbonag.com/luutru/files/wixurukajawezapik.pdfIn PDF document text
- http://scantech3d.com/files/witekuginuvelelelito.pdfIn PDF document text
- http://vngo-cc.vn/cooker/public/files/zidifomonobebewupasura.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/2295667647.pdfIn PDF document text
- https://hediyelikhanem.com/calisma2/files/uploads/31991762310.pdfIn PDF document text
- https://superpart.com/files/47407751520.pdfIn PDF document text
- http://studiotecnicopinto.it/userfiles/files/satot.pdfIn PDF document text
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/topuvipixasexefumo.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/bajikumozavofojiregino.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/86892175445.pdfIn PDF document text
- https://sambelteri.com/contents/files/24668259197.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/65738899486.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/file/1631890602_1.pdfIn PDF document text
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/3042941862.pdfIn PDF document text
- https://www.elshandmadedesign.nl/ckfinder/userfiles/files/xilosopetepikejejekifeki.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/6263114941.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/12040838554.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1153b5379---97577721874.pdfIn PDF document text
- http://ticketsperiodico.com/galeria/files/74716312878.pdfIn PDF document text
- https://buka.ru/sadm_files/tixovegepif.pdfIn PDF document text
- https://nutricount.cz/UserFiles/File/furosenorunosikuxed.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=pes+20+ppsspp+download+200mbPDF 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_off0000c122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC122 | 10732 bytes |
SHA-256: 8249993739c0044b6c61a051792e0b43aab87bea89daecc9a127c784ca94db7c |
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font_01_sfnt_off0000d9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C0 | 16796 bytes |
SHA-256: 55b6ce1cdf061e5edf27731fc798f4fb9aec220c55b61f469680b2399f6aecdc |
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