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 firings indicate the presence of external URIs and a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://medvor.ru/uplcv?utm_term=firestick+screen+mirror+android PDF link annotation
- https://guclupin.com/calisma2/files/uploads/72167005340.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/b612d8a34231f8ad03d6062b29bca57b/85792696087.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/kitoderelo.pdfIn PDF document text
- https://halkapsikoloji.net/userfiles/file/sarupuvigosegotarikadar.pdfIn PDF document text
- http://seattledesis.com/fckeditor/file/26571526957.pdfIn PDF document text
- http://julianowka.pl/ckfinder/userfiles/files/95534825038.pdfIn PDF document text
- https://j26clean.com/upload/files/vuwosejapefowab.pdfIn PDF document text
- https://mp2020.csysadmin.com/ckfinder/userfiles/files/gagisupafozagavaxeb.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/39344186676.pdfIn PDF document text
- https://fonixkoncert.hu/upload/file/79106731498.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/mitidamatezodupite.pdfIn PDF document text
- https://altonika.pro/files/fck/file/44770323589.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/35284479715.pdfIn PDF document text
- http://www.og2c.com/images/file/56612886297.pdfIn PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/41921867360.pdfIn PDF document text
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/76081596110.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/wadimejefififozemexe.pdfIn PDF document text
- http://mtegl.wsystem.sk/userfiles/files/21479666176.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/kinozujuremewadimasu.pdfIn PDF document text
- http://teranor.com/ckfinder/userfiles/files/sozatoruseporesamoguzoko.pdfIn PDF document text
- https://xn--psg-9lac.hu/files/files/45160500452.pdfIn PDF document text
- https://pakistanchristiancongress.org/userfiles/file/91512386241.pdfIn PDF document text
- https://huaku3c.tw/uploads/files/202109082206328237.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/45309402091.pdfIn PDF document text
- https://membermimpi.com/contents/files/fogofupovafujunipawe.pdfIn PDF document text
- https://larrialdiak.es/files/galeria/files/29368287115.pdfIn PDF document text
- http://gajagotour.com/UserFiles/file/63894748149.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_off0000f3b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC7 | 10552 bytes |
SHA-256: 3f082de979d3fc21ae1dbd15f1c246af4341ed0537350dd400ffe42c4ea94c7d |
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font_02_sfnt_off000123d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D9 | 18716 bytes |
SHA-256: 276180e47581eec4c763290945a72962590d3c443cacf39528e93a9fe313ce20 |
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