MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised websites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://wastran.ru/uplcv?utm_term=class+10+maths+book+pdf+cbse PDF link annotation
- http://shinaval.ru/userfiles/file/sezabetulafoganulexowon.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/11946894386.pdfIn PDF document text
- http://liveranigioielli.it/userfiles/files/79163033659.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/lipopomowujejusi.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/xamefixanopox.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5b6808f71---puzevadojugawubo.pdfIn PDF document text
- http://www.ferm-matic.fr/upload/file/tosavomubarujifepuzi.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/161430e48e23c8---xasipadixuw.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/65154798968.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/38771059500.pdfIn PDF document text
- http://umhouses.com/uploads/files/49783964454.pdfIn PDF document text
- https://vientangluc.com/upload/files/30840165885.pdfIn PDF document text
- http://livelyway.com/ckfinder/userfiles/files/xosuwefosukimebib.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/mokuvamovakutuzeluginap.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/p8avurtc1tilckgfvtthod1ub5/degolejexa.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/3c4c4e8b6b8825ced8459b207c77d2d7/8002050286.pdfIn PDF document text
- https://matrixx.lu/images/64383649281.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/xejozagotobogitiwag.pdfIn PDF document text
- http://01host.ru/userfiles/files/4410511775.pdfIn PDF document text
- http://yuhenganquan.com/userfiles/file/20210913052130_311622769.pdfIn PDF document text
- http://makassitools.com/userfiles/file///xufet.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/nepeburikuvazox.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_off0000c2f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2F6 | 11024 bytes |
SHA-256: 3c52b9c69486d378c2a43b97107cc449deca4adf57931442c11e70f084787f84 |
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font_01_sfnt_off0000dc79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC79 | 16624 bytes |
SHA-256: 7bdeee4a74045228b841f52ecd958b0e9d4f96ae0d59d818469a4bd325162df6 |
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font_02_sfnt_off00010773.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10773 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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