MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a high number of embedded URLs, many of which point to disposable domains and are used in a link farm configuration. This strongly suggests a phishing or malware distribution attempt, likely leveraging spearphishing attachments as the initial access vector. The ML classifier and ClamAV detection further support the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://chcial.ru/uplcv?utm_term=pubg+lite+website+india PDF link annotation
- http://nirmalapublicschoolerumely.com/userfiles/file/liwuposuxefulifagale.pdfIn PDF document text
- http://okun.su/upload/file/46976547095.pdfIn PDF document text
- https://civilkontroll.hu/uploads/file/zutuwitugosevaxobel.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/14097411031.pdfIn PDF document text
- http://dailygiasi.com/uploads/userfiles/file/74884206864.pdfIn PDF document text
- http://carbonelite.ru/file/14793420176.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/72893948275.pdfIn PDF document text
- http://bbu.vn/Images_upload/files/lupedudon.pdfIn PDF document text
- https://begili.com/uploads/image/files/kotavuzu.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pejulukopuwuruwasiku.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/puguvujaxulasulozutok.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/zolevebuwetekonixuxanuz.pdfIn PDF document text
- http://moretonassets.net/userfiles/75561893540.pdfIn PDF document text
- https://propiedades.net/ckfinder/userfiles/files/99867059131.pdfIn PDF document text
- http://0975811252cool.linker.tw/files/93343352811.pdfIn PDF document text
- http://wizclub.net/upload/userfiles/file/11446443500.pdfIn PDF document text
- https://profession-your-dr.com/uploads/files/202109071557434369.pdfIn PDF document text
- https://ln80.cn/filespath/files/20210902052116.pdfIn PDF document text
- http://grotech.in/userfiles/file/genexuvedaminalutebixux.pdfIn PDF document text
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/vuxusabukagepajuxesowedi.pdfIn PDF document text
- http://agisma.ru/files/pages/files/tefabude.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/nexakelof.pdfIn PDF document text
- http://chroscina.com/userfiles/file/28604894449.pdfIn PDF document text
- https://srmhomes.com/images/bulk_images/files/nigekulubinirukogesumapal.pdfIn PDF document text
- http://feriaalainversa.com/uploaded/files/wujorixonopalafujug.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/87612285852.pdfIn PDF document text
- http://1carl.com/userfiles/file/kezumijoneji.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_off0000c883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC883 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE09A | 10528 bytes |
SHA-256: bcd7e62fc24905c62ddbb0cd0937cbc6fed6460f977c11fc7a2b860ed9120409 |
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font_02_sfnt_off0000f886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF886 | 16860 bytes |
SHA-256: 8eda150400ca5093e85c8ea7be331ef7b16899624399b1e5374f8e3adeb2d3db |
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