MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is part of a link farm on disposable hosting, likely to obscure the true destination. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://ketchas.ru/uplcv?utm_term=geometry+escape+challenge+b+answer+key+pdf PDF link annotation
- http://anapro.com/ckfinder/userfiles/files/27910638286.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/dagaposo.pdfIn PDF document text
- http://kaizenlife.com/ckfinder/userfiles/files/vunevepimo.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/77ebc659019c0fd48b99709e4942d601/nujiroporekikawavofi.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/86403283640.pdfIn PDF document text
- https://kingdomdatesuae.com/userfiles/files/53977113521.pdfIn PDF document text
- https://ka-base.no/images_students/files/86845377831.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/lanutijilavam.pdfIn PDF document text
- http://helder-effect.nl/userfiles/file/bopuxadobaw.pdfIn PDF document text
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/31609580859.pdfIn PDF document text
- https://congnghieptauthuyvietnam.vn/upload/files/16541271906.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141d9ea7495c---xupozudifolojadesake.pdfIn PDF document text
- http://generoussecurity.com/uploads/deturuduwalufowofiluxiva.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/juxetexodopitipimedofepo.pdfIn PDF document text
- http://caycanhtuyhien.com/uploads/image/files/silijezufiliwapi.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/74844716003.pdfPDF link annotation
- http://zaun-produzent.de/userfiles/file/tevizosevebetibil.pdfIn PDF document text
- http://automyjka.pl/automyjka.pl/userfiles/file/sivedotew.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11762103832.pdfIn PDF document text
- http://karpatskiles.ru/store/files/32108222929.pdfIn PDF document text
- http://anquocrealty.com/uploads/image/files/21076615633.pdfIn PDF document text
- https://swalaya.in/userfiles/file/32810611885.pdfIn PDF document text
- http://www.ctnphrae.com/ckfinder/userfiles/files/19202865225.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/rebidikutipe.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_off0000fb91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB91 | 18884 bytes |
SHA-256: 4a6a8a89dda3ae6222013b349edc447180259371f3ea16ddf74b12cb384ff06c |
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font_01_sfnt_off00012c66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C66 | 11448 bytes |
SHA-256: 8c6c19c049fb100e09d914af0b2806b92cfeb65982bbf37779ba3deeb5f33048 |
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font_02_sfnt_off00014702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14702 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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