MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, with one specifically masquerading as a "onenote web login" link. The ML classifier strongly indicates maliciousness, and the presence of a link farm on disposable hosting further supports a phishing or credential harvesting attempt. No scripts were extracted, but the document's structure and embedded links point towards a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 4
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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://ketchas.ru/uplcv?utm_term=onenote+web+login PDF link annotation
- http://microsolder.hu/userfiles/files/noxabajivisekudulidi.pdfIn PDF document text
- http://miroslaws.com/ckfinder/userfiles/files/mimaxijixiso.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/tibufosaravowita.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8668c207a---dorowumu.pdfIn PDF document text
- http://potya.com/pamatarabowowoweb.pdfIn PDF document text
- https://kimcert.com/E/file/41585100230.pdfIn PDF document text
- http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/80534586283.pdfIn PDF document text
- https://capitalsyndic.com/userfiles/file/napuvapijudomepative.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/kiparajokuda.pdfIn PDF document text
- http://esejsc.com/upload/files/vagoki.pdfIn PDF document text
- https://bosingels.nl/ckfinder/userfiles/files/8134729571.pdfIn PDF document text
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fuxuwidojiko.pdfIn PDF document text
- http://zonwering-nederland.eu/ckfinder/userfiles/files/70683769956.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eae8f64e96---17617766171.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/lamezilifalarevobo.pdfIn PDF document text
- http://mosjob.ru/images/file/zalofeko.pdfIn PDF document text
- http://adveotec.com/img/file/8524227774.pdfIn PDF document text
- http://uhorder.com/upload/files/79888270744.pdfIn PDF document text
- http://mikailang.com/userfiles/file/20210904130909_523459965.pdfIn PDF document text
- http://phone-server.com/userfiles/file/tofonomuluwozewifika.pdfIn PDF document text
- https://lompatjauh.com/contents/files/39614484468.pdfIn PDF document text
- https://hexema.com/FCKeditor/file/xeruxezatifegabisixupibom.pdfIn PDF document text
- http://geosond.pl/userfiles/file/48845262100.pdfIn PDF document text
- https://agmatbaa.com/upload/files/42748779592.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/56573810557.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_off0000c433.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC433 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC45 | 17636 bytes |
SHA-256: 37fa3f9b5b3201c2aa4fe2cf927f3af42e581d62dfcea947af8961add647fc80 |
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font_02_sfnt_off000109fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FC | 10104 bytes |
SHA-256: 4b419540244010e7cd494be9ffd3d3e2f9570942c1fa02734adf6ced7f6128bf |
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