MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicate a high probability of maliciousness. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically identifies this pattern. While no scripts were explicitly extracted, the nature of the embedded URLs and the detection names strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://crewmak.ru/uplcv?utm_term=lowest+term+worksheet+for+grade+3 PDF link annotation
- http://aurangabadptti.com/ckeditor/ckfinder/userfiles/files/20167766274.pdfIn PDF document text
- https://congchungnguyenlieu.vnpec.xyz/uploads/files/dusufasasipize.pdfIn PDF document text
- http://iktoktatas.hu/files/file/94637353073.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/08a87453ec26ea30cea4f80a6a512c66/japubiti.pdfIn PDF document text
- http://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/texivamolevekamalazutevok.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/94190859437.pdfIn PDF document text
- https://jakspravnenapsa.cz/userfiles/file/75796014351.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/ba081b1f46a78760ea2327d5a0d7031c/lijadodobimuwidojefepilej.pdfIn PDF document text
- https://normec-cm.com/ckfinder/userfiles/files/84720843226.pdfIn PDF document text
- https://sibois.eu/userfiles/file/37324960106.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/nuzegi.pdfIn PDF document text
- http://skipjackpoke.com/ckfinder/userfiles/files/73513605088.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/dabopipowafosiviwi.pdfIn PDF document text
- http://hart-metale.pl/gimnazjum/userfiles/file/foposedo.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/wilojironobixesefokuvel.pdfIn PDF document text
- https://vili-al.com/uploads/wysiwyg/files/25091718950.pdfIn PDF document text
- http://abwcolley.com/uploads/files/1230513889.pdfIn PDF document text
- http://phunphu.com/userfiles/file/buvuwanumireligujagademab.pdfIn PDF document text
- https://essaidafm.com/uploads/FCK_files/file/xawizerafuk.pdfIn PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/rozukizokapafamabiraputej.pdfIn PDF document text
- http://devison-matras.com/upload/file/depetemiwilobir.pdfIn PDF document text
- http://banquat.com/userfiles/files/64874947642.pdfIn PDF document text
- https://halkapsikoloji.com/userfiles/file/73310308093.pdfIn PDF document text
- https://b2cdemo.tickets.com/content/files/doxexaguradeg.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_off0000be14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE14 | 18028 bytes |
SHA-256: 0f5aa960f975ba368d53515471be6b831ef78da558037f551f0570562a6a6d60 |
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font_01_sfnt_off0000ece8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE8 | 10864 bytes |
SHA-256: 7ee80012b612d4a0f8c39d9495d1f8f176c2cff047b0d26ed3d610d4e1834a4a |
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font_02_sfnt_off000105f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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