MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or a scam, by directing users to potentially harmful websites. The embedded JavaScript may be used to further obfuscate the malicious links or initiate further malicious actions.
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 http://starinviter.com/ckimagefiles/48361745606.pdf In PDF document text
- http://citadelcaralarms.com/userfiles/file/walolexisefo.pdfIn PDF document text
- http://insuralead.com/userfiles/file/merajunirumoxizim.pdfIn PDF document text
- http://ipceurope.eu/assets/file/libinugi.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/17766191716.pdfIn PDF document text
- http://medi-sen.com/files/files/5897282246.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021090819184082.pdfIn PDF document text
- http://patrickstaxi.fr/userfiles/file/xeget.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/gameropug.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/24456453736.pdfIn PDF document text
- http://compsult.net/userfiles/file/16855966058.pdfIn PDF document text
- http://ornito-silesia.eu/userfiles/file/77161025779.pdfIn PDF document text
- https://mudraconsultancy.com/uploads/files/sezonufijufujadaf.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/gibogasukufi.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/34681580491.pdfIn PDF document text
- https://jungleflightchiangmai.jungle-flight.com/Uploads/files/kosalapos.pdfIn PDF document text
- http://losmarinoslanzarote.com/marinarubicon/admin/file/338255900.pdfIn PDF document text
- https://ozmutludokum.com/userfiles/file/gajalevoneri.pdfIn PDF document text
- http://amoy-art.com/Upload/file/sitijonetop.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/tonili.pdfIn PDF document text
- http://xtra360.net/campannas/file/sewopafefa.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613548df98f8f---97204418428.pdfIn PDF document text
- http://hotstamping.pl/files/file/gibizijumefujapabebasup.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/1je3afjrl30o5vnmq5u680g6u7/fuzonu.pdfIn PDF document text
- http://coolbiotech.com/upload/files/19670645742.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=gta+san+andreas+free+playPDF 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_off0000b37e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB37E | 14516 bytes |
SHA-256: 5f09df015e51e9091aa55218b0c79f674d28147272ab7e5d6a43513e878c57ef |
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font_01_sfnt_off0000d75f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ef76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF76 | 10432 bytes |
SHA-256: 9cc1eb29175330560d1af9df979ff8c40e0262e043c8d3d25c3fc39075e0e7c4 |
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