MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs, many of which are associated with link farms and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of external URIs and the nature of the URLs point towards a spearphishing attachment delivery vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://archism.ru/uplcv?utm_term=five+nights+at+freddy%27s+free+online+games+no+download PDF link annotation
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/83610271774.pdfIn PDF document text
- http://detikakdeti.ru/img/file/65164591790.pdfIn PDF document text
- https://yasacompany.com/upload/files/28190131583.pdfIn PDF document text
- https://weekendtripskolkata.com/userfiles/file/zawepajata.pdfIn PDF document text
- http://photou.cc/ckfinder/userfiles/files/71639273657.pdfIn PDF document text
- https://www.confirmedtour.com/files/43300939639.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/34476816912.pdfIn PDF document text
- http://advairtech.eu/assets/userfiles/file/notugepegep.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614288968d2b4---vejufekixawugijugig.pdfIn PDF document text
- https://detmers-kontejner.hr/files/mutusegedipafiw.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/91438300904.pdfIn PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/90073453703.pdfIn PDF document text
- http://german-ex.com/images/blog/file/fulebapikidoduwepesi.pdfIn PDF document text
- http://heizler.hu/files/file/2944081200.pdfIn PDF document text
- http://staractivecollection.com/resimler/site/files/revobevusopubodut.pdfIn PDF document text
- https://baoyi-chuck.com/ckfinder/userfiles/files/91314241205.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-1/20210901063739134097.pdfIn PDF document text
- http://em-mould.com/ckfinder/userfiles/files/tavugunajeriwigawo.pdfIn PDF document text
- https://orrizon.ru/images/file/bibuwuwamiraluxut.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/27955594975.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/16090793321.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/jokepuxavujekososativi.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/47275411608.pdfIn PDF document text
- https://finliz.lt/i/File/didekawab.pdfIn PDF document text
- http://corising.info/sa_upload/userfiles/file/20210904221119.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/89824873030.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_off0000e656.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE656 | 17772 bytes |
SHA-256: 2910bc97c8c508f1db19086eef75d92c4f080cdf8863015341b3ab4f91586c4b |
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font_01_sfnt_off000114cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE2 | 11076 bytes |
SHA-256: 986453f13b395ce338c90887492b5069072559278ae6eab32888364fe96bc069 |
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