MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, indicating an attempt to redirect the user to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests the document's purpose is to act as a link farm, likely for phishing or malware distribution. ClamAV detection further confirms its malicious nature.
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://cructi.ru/uplcv?utm_term=best+firefox+for+android PDF link annotation
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/53270195182.pdfIn PDF document text
- http://insureavisitor.com/userfiles/file/gikoxolexi.pdfIn PDF document text
- https://pre-www.bridge-college.com/uploaded/ckeditor/files/35462630764.pdfIn PDF document text
- https://transturist.ba/ckeditor/ckfinder/files/files/88512640173.pdfIn PDF document text
- https://geniodelweb.com/file/fivevavupolotigajejowafa.pdfIn PDF document text
- https://ipic.vn/userfiles/file/81344496270.pdfIn PDF document text
- https://equimat-cheval.fr/file/21524259240.pdfIn PDF document text
- http://kor-ra.ru/UserFiles/file/podipovuremukabemezaratun.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/g11evss5ec1t0cm2f5825nlqts/pezavosejipofaludos.pdfIn PDF document text
- http://print-printonline.com/ckfinder/userfiles/files/lunufa.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/xasisogub.pdfIn PDF document text
- http://bbdecontra.com/userfiles/files/47885152288.pdfIn PDF document text
- https://dlt-nkp.com/fileupload/file/21977649639.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210923145003.pdfIn PDF document text
- https://rippa.pt/files/file/63403861341.pdfIn PDF document text
- https://bushregenerators.com/userfiles/files/7456514917.pdfIn PDF document text
- http://agppi99.pretty-match.com/upload/files/wujigumoremoxawexibavov.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8ca3f0986---81107632394.pdfIn PDF document text
- http://presssimayeshahr.ir/pic/file/31989131093.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/16887150564.pdfIn PDF document text
- http://garagehayashi.com/js/upload/files/52631566547.pdfIn PDF document text
- http://feg.vn/uploads/files/ratoxowuto.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/kivomevajutelopuseluwiwoj.pdfIn PDF document text
- http://brickform.cz/obrazky/files/mepimipixa.pdfIn PDF document text
- https://sainaudit.mn/File/vimusat.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_off0000b494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB494 | 10456 bytes |
SHA-256: 41f788367c778f9aa65d3239d1d3effab78eea0fddbeaf9031f51e77a1cad40b |
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font_01_sfnt_off0000cc80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC80 | 16012 bytes |
SHA-256: a913fcf129423ab92cd528a205c6ae6d8cb469a1b8aae0c48279a2fa4e603172 |
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font_02_sfnt_off0000f55e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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