MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating a malicious intent to interact with external resources. The ML classifier and ClamAV detection strongly suggest this is a phishing or trojanized PDF. The presence of a callback lure heuristic further supports the phishing attack pattern, aiming to trick users into calling a fraudulent number.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=pokemon+crystal+rom+coolrom PDF link annotation
- https://contact-house.com/fckeditor/upload/file/bubaxomepujo.pdfIn PDF document text
- https://cortemadera.com/wysiwygfiles/file/91655578402.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/99674332463.pdfIn PDF document text
- http://kamakuralosgatos.com/uploads/files/batalupebibefiwojiv.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210909072603.pdfIn PDF document text
- http://gift-founder.com/archive/upload/files/lixiruv.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/rufutixuvivoru.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/ec7ee9b1ef2029486ec768dfaef1fe94/25269561761.pdfIn PDF document text
- https://ev-owners.jp/userfiles/files/fovowunibapodulemuxi.pdfIn PDF document text
- http://taketty.xyz/js/ckfinder/userfiles/files/14672886368.pdfIn PDF document text
- http://cmrivestimenti.com/userfiles/files/17760098217.pdfIn PDF document text
- https://oxfordjsr.com/userfiles/file/51355424439.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb87aaa493---zugizigajixoxuvutivo.pdfIn PDF document text
- http://teranor.com/ckfinder/userfiles/files/31486859281.pdfIn PDF document text
- http://fourfoods.com/images/files/japudiwomotobifirux.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/92518598344.pdfIn PDF document text
- http://stressmanagement-karriere.de/userfiles/file/65478062226.pdfIn PDF document text
- https://dom4m.by/userfiles/files/sumubakorawe.pdfIn PDF document text
- http://showpalmedical.com/userfiles/xakemiranodotu.pdfIn PDF document text
- http://hit-air.pro/ckfinder/userfiles/files/36033952788.pdfIn PDF document text
- http://novastal.pl/userfiles/file/96920208952.pdfIn PDF document text
- https://bank-kredit.at/ckfinder/userfiles/files/nulukuziremagufovawot.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/75303191615.pdfIn PDF document text
- http://be-now.pl/userfiles/file/32968883669.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_off0000ca2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA2D | 18184 bytes |
SHA-256: 8c31e0fb7a396da0963dd09f2dc2273fff9f9ad20238fdc6e0e9ddafa7d30b30 |
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font_01_sfnt_off0000f950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF950 | 10504 bytes |
SHA-256: 337417517e0d96fc3dee088402d01e9a91183be455a17688c9f3e439ebb1fa49 |
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font_02_sfnt_off0001114e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1114E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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