MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm designed to redirect users. The presence of embedded URLs and the heuristic indicating a link farm suggest the primary goal is to direct users to malicious websites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 5
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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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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://crysiq.ru/uplcv?utm_term=software+transfer+file+pc+to+android PDF link annotation
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/2b0069aae6498033625e2b2d3ba8f11d/bisujoworegexoxowime.pdfIn PDF document text
- http://tecs4.com/intranet/ckfinder/userfiles/files/30376466520.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/56077054525.pdfIn PDF document text
- http://hoangnamjsc.com/upload/files/42966610527.pdfIn PDF document text
- http://cabini.it/userfiles/files/wekilowalozufonuwo.pdfIn PDF document text
- http://remont-m.com/userfiles/file/19080412242.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/6b41ebf2504cd51bcfaca747b72a5c1f/mopevolozasetusoja.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/xofobekelonumusajogugazi.pdfIn PDF document text
- http://gzafjc.com/uploadfile/files/fumiwut.pdfIn PDF document text
- http://ned.ru/uploads/files/76869008724.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/16473586982.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/komesoferorivovavojupa.pdfIn PDF document text
- https://vientangluc.com/upload/files/besejigukolulinifexivufa.pdfIn PDF document text
- https://poolpoint.be/uploads/file/nemiporabonuw.pdfIn PDF document text
- http://belloverde.net/emailer/file/83051265163.pdfIn PDF document text
- http://cdkuys.handysociality.com/upload/files/56987389839.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/69549146822.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/30226628139.pdfIn PDF document text
- https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/27521129234.pdfIn PDF document text
- https://denizlihorozu.com/resimler/files/fufimegitavujimab.pdfIn PDF document text
- https://micsys.in/userfiles/file/2149129902.pdfIn PDF document text
- http://fundacionecla.org/resources/original/file/vuvoxipejosurujur.pdfIn PDF document text
- https://labelmarket.eu/data/file/11499578504.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/wutojewukujekapugejafaze.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/12363978186.pdfIn PDF document text
- http://guoyangmoju.com/userfiles/files/getomozakimen.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_off0000b3a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A7 | 10772 bytes |
SHA-256: d32efaa5f9a4bc8ca79765bef40c8ec61e69820b1963309f6a1b4d3f4f33e651 |
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font_01_sfnt_off0000cc9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e4b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B1 | 17120 bytes |
SHA-256: eba57887a7375e4a3b0a260ed10876bc4b28378d1216f6fca21ac33116eb26ae |
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