MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or trojan delivery mechanism. It contains a high number of external links, many pointing to disposable hosting, suggesting a link farm or redirection strategy. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, indicating attempts to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://inwebjor.ru/uplcv?utm_term=process_rq+rome+total+war PDF link annotation
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f96081a65b---xujapof.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/i588n1bmtpvi07nuav15kdjcue/16173123054.pdfIn PDF document text
- https://lasanisports.com/files/xukotak.pdfIn PDF document text
- http://ambulatorioveterinariovianello.eu/userfiles/files/51581411576.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/boworidanetitotafibi.pdfIn PDF document text
- http://omeofest.eu/userfiles/files/donakevo.pdfIn PDF document text
- http://radis-rrl.ru/userfiles/image/mumavozugiwodor.pdfIn PDF document text
- http://hongsung114.com/files/fckeditor/file/dugixusorurojokiwasawe.pdfIn PDF document text
- http://apart1day.ru/file/37167280388.pdfIn PDF document text
- http://pepinieres-soupe.com/userfiles/file/39286996408.pdfIn PDF document text
- http://adveotec.com/img/file/juvebuwarepisom.pdfIn PDF document text
- https://granitabrasive.hu/editor_up/nulakuvigavuxamej.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/97961358471.pdfIn PDF document text
- https://limsurdua.com/contents/files/sifowilu.pdfIn PDF document text
- http://odesignlab.ru/admin/ckfinder/userfiles/files/70010832810.pdfIn PDF document text
- http://agroanaliz.by/upload/editor/files/51340428259.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/sudebedejuditaze.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/62483043932.pdfIn PDF document text
- http://luxe-pools.fr/i/File/wuvimizile.pdfIn PDF document text
- http://gustosandvic.com/ckfinder/userfiles/files/neraruboloxodovid.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/vemofabamulenegopukotexa.pdfIn PDF document text
- http://chongthamnguoc.vn/img/files/pipakad.pdfIn PDF document text
- http://lawyergz.net/uploadfile/files/54432910171.pdfIn PDF document text
- https://snqrsl.quebec/upload/editor/file/suredusaxuwafelixokagere.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_off0000da5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5F | 10460 bytes |
SHA-256: 2d9d36aec3b2a8d6c5815031ace4aee126fb000ed6e9f6e84c22cbb2f7b6f3b6 |
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font_01_sfnt_off0000f24e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A60 | 22388 bytes |
SHA-256: 951683a506fae0fba8a13b7bfbdfd8346868520c451ad87f3ae851282943d90d |
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