MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. The document body is heavily obfuscated, preventing analysis of its specific content, but the presence of many external links strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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 http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/bedawijevixunodimofa.pdf In PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/c6e9c39cc2370a4f5836a3c50f16324b/15498533928.pdfIn PDF document text
- http://vigova.vn/Images_upload/files/ridebolejefa.pdfIn PDF document text
- http://paykaaluminiya.ru/ckfinder/userfiles/files/66650649465.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/dudefakuke.pdfIn PDF document text
- https://zagi.hr/files/47217105485.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/jobiso.pdfIn PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/68434121789.pdfIn PDF document text
- https://groupekheidri.com/ckfinder/userfiles/files/34316029635.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210901_0BA12E3D225AEDAA.pdfIn PDF document text
- http://elcolono.net/userfiles/files/85030421904.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/3760101058.pdfIn PDF document text
- https://batdongsandothanh.vn/luutru/files/70246252154.pdfIn PDF document text
- https://istruttorecinofilo.it/userfiles/file/gipevewibumiwegoxibati.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/rokolosizitonex.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140d7ccf1bc2---vamamuperefupikusuvelub.pdfIn PDF document text
- http://revize-elektro.info/UserFiles/File/41246581694.pdfIn PDF document text
- https://saptabangunmanunggal.com/indomobils/upload/file/36115210586.pdfIn PDF document text
- http://studioingtassinari.eu/userfiles/files/redebamamixarukilu.pdfIn PDF document text
- http://kronospan-mofa-hungary.hu/editor_up/80094064977.pdfIn PDF document text
- http://studiocalcinoni.com/userfiles/files/ferigepa.pdfIn PDF document text
- https://stotex.rs/files/55616720426.pdfIn PDF document text
- http://www.celso.org/download/99696595329.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=holt+mcdougal+pre+algebra+practice+workbook+answers+pdfPDF link annotation
- 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_off0000d692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD692 | 16904 bytes |
SHA-256: a7ce60477facf4413db11302cc61287e723e9200821d9e266616f05dbdac87f6 |
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font_01_sfnt_off00010250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10250 | 11372 bytes |
SHA-256: 5e9b185d11e3b6900f281f3f45a9b2e8922891995a1e4ebde4dde5b527c04262 |
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font_02_sfnt_off00011cac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CAC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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