MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to potentially malicious PDF files hosted on various domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests these URLs are part of a link farm designed to obscure the true destination or distribute malware. No scripts were extracted, but the presence of multiple external links strongly suggests a phishing or malware distribution campaign.
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://rt-totaalafbouw.nl/userfiles/file/somokejusazepupeweg.pdf In PDF document text
- http://trieuduong.com/images/Download/zevuxawozagimudokir.pdfIn PDF document text
- https://priscar.com/documents/files/14677392292.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/nasimas.pdfIn PDF document text
- http://bhttourist.com/upload/fckimagesfile/kudamufurogixopavajakuzeg.pdfIn PDF document text
- https://at-studio.tw/app/webroot/userfiles/files/20210901_213509.pdfIn PDF document text
- http://ilsogno-bomboniere.com/userfiles/files/55828972141.pdfIn PDF document text
- https://theptaynam.vn/upload/files/49270610182.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/98881198352.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/44954442524.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161324dab84d64---rabobasuwezesexu.pdfIn PDF document text
- http://dinobajka.pl/Upload/file/68801857155.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/lawuvuserixotolifuduvuzin.pdfIn PDF document text
- http://cycling-software.com/files/file/jigilagefo.pdfIn PDF document text
- http://vhshf.de/File/gajumuwiv.pdfIn PDF document text
- http://www.stemcellhairclinic.com/files/files/wosexarok.pdfIn PDF document text
- http://imaginove.eu/data/Files/pebob.pdfIn PDF document text
- http://dpholding.ru/uploads/files/wogokixowidagobetipuko.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/81144350704.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/fudem.pdfIn PDF document text
- http://dealershop.es/userfiles/file/80201524936.pdfIn PDF document text
- https://open-call.fr/uploaded/files/64632702367.pdfIn PDF document text
- http://associatedreclaimed.com/userfiles/files/54081024640.pdfIn PDF document text
- http://kvrhousing.com/uploads/rujinu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=satyajit+ray+short+stories+pdfPDF link annotation
- 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_off0000d893.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD893 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0AA | 10764 bytes |
SHA-256: c9020d8dffeb25bb22d7b6992c6f8b7ad388b26c87070c595350afd9e293e6d5 |
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font_02_sfnt_off00010988.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10988 | 16452 bytes |
SHA-256: f476bfbcb717996bd576c33406ac0bea4725e48de7e834de7c53c6dd88d61d39 |
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