MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or malware distribution lure. It contains a large number of embedded URLs pointing to various domains, suggesting an attempt to redirect users to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate effort to create a link farm on disposable hosting, further supporting the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=how+to+crash+computer+with+notepad PDF link annotation
- https://newoptic.sas-global.mn/uploads/files/lajakavurabarapaza.pdfIn PDF document text
- http://lsphc.com/userfiles/file///71053709090.pdfIn PDF document text
- http://beauty214.com/uploads/files/202109011334456762.pdfIn PDF document text
- http://cisseo.net/userfiles/files/patukoteralexafuxatesuli.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a86e86f87c---xabarutiwilizimonelis.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/32188550737.pdfIn PDF document text
- http://prakseologia.eu/userfiles/file/44428915803.pdfIn PDF document text
- http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/58003613112.pdfIn PDF document text
- http://burchiellati.com/file_fck/file/zirufigaruputisiwizasuzad.pdfIn PDF document text
- http://flynewsletter.com/uploads/file/wajejanevopotijaxa.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161332b1a483c1---narizisagas.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/40431865677.pdfIn PDF document text
- http://pc580.cn/upload_fck/file/2021-9-1/20210901095250673453.pdfIn PDF document text
- https://lemonsport.sk/upload/file/nowetobonemuvunetimumiji.pdfIn PDF document text
- http://slbreakingnews.com/ckfinder/userfiles/files/32079227616.pdfIn PDF document text
- http://areopag-group.ru/sites/default/files/uploads/46305006160.pdfIn PDF document text
- https://rivieresoceanie.com/userfiles/file/makidolaborerebaw.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/gebegolemopizemusep.pdfIn PDF document text
- https://martas.vodrsport.cz/uploads/files/10876423245.pdfIn PDF document text
- https://ichapps.com/ichapps/ckeditor-ckfinder-integration/uploads/files/lojenovinukorixurefodibu.pdfIn PDF document text
- http://servmed.net/userfiles/file/34347384936.pdfIn PDF document text
- http://imaginove.eu/data/Files/kujowesevabek.pdfIn PDF document text
- http://gzafjc.com/uploadfile/files/nolinovolijutewomu.pdfIn PDF document text
- https://halkum.rs/files/21329630159.pdfIn PDF document text
- http://ivanda-commerce.hr/userfiles/file/zijuvubawupexukutexino.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_off0000d0bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0BB | 10912 bytes |
SHA-256: 6e59535550c0038732f0572b02c9c4492ab56e67c033e8812cb0b963e17df731 |
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font_01_sfnt_off0000e9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E9 | 16892 bytes |
SHA-256: 9561cdda697cf43258306357bb898144d170c9145e4cac994c9a4178e39c117c |
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