MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with a spearphishing attachment designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://drafthe.ru/uplcv?utm_term=system+design+document+sample+pdf PDF link annotation
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161342ee24c64a---33841090759.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/7043266715.pdfIn PDF document text
- https://kalashad.com/userfiles/file/xikikurobi.pdfIn PDF document text
- http://casms.org/atts/news-files/file/savowaxefetigusalorijizit.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/tirojebanizisapozuwutatu.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/10887040311.pdfIn PDF document text
- http://king-ber.com/UploadFiles/file/20210907100915216.pdfIn PDF document text
- http://nktrading.qa/file/files/sowedorobavanutevawufebe.pdfIn PDF document text
- http://kemenyseprosiklos.hu/upload/file/nadawifamimezu.pdfIn PDF document text
- http://zabbeleecooking.com/ckfinder/userfiles/files/dofemotofumi.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/rutakomumalafado.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210906184915_1830385616.pdfIn PDF document text
- http://ceraunavoltapizzeria.it/userfiles/files/rixibexezotutomekam.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/56089220135.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/kusumomewemozawetomalunid.pdfIn PDF document text
- https://history.tlshaa.org.tw/ckfinder/userfiles/files/vafotobitopusojute.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/10536834853.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/vekesametetezopadibojix.pdfIn PDF document text
- http://miyozenemeryville.com/uploads/files/24585815830.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/85673297914.pdfIn PDF document text
- http://sushinamu.com/uploads/files/kajekaxezule.pdfIn PDF document text
- https://butagallery.com/userfiles/files/69205200773.pdfIn PDF document text
- http://mikailang.com/userfiles/file/20210907130217_1267736295.pdfIn PDF document text
- http://hangtatmj.com/userfiles/domanijin.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_off0000eb17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB17 | 17804 bytes |
SHA-256: f711e052eb4690dcdc18c838e76840783f384be0f90d9cef3acebe4d1ef318ee |
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font_01_sfnt_off00011912.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11912 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013129.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13129 | 11152 bytes |
SHA-256: eeb474ea4fc69afa0976bbb6e98e27e53e5c7bcd18af954850a94ec3c9ee6795 |
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