MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to PDFs hosted on various domains, suggesting a link farm designed to redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the nature of the embedded URLs and the link farm heuristic strongly suggest a phishing or malware distribution attempt.
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://highfieldhousehotel.net/nbloom/fckuploads/file/vaziwukokuvuxobitolivem.pdf In PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/23814290345.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021090604305658.pdfIn PDF document text
- http://provia-events.de/pics/fotos/1/file/tadatezisetefino.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/d5695e88a020c352dc6a372391267ef6/12026193200.pdfIn PDF document text
- https://aayams.com/userfiles/file/67107094998.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/wuparorunaluwexabemefejir.pdfIn PDF document text
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/59958776542.pdfIn PDF document text
- http://hasdeu.md/data/userfiles/files/jaligegi.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/79262442875.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/37418304158.pdfIn PDF document text
- https://dellrein.ru/content/file/28381715173.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133accc68218---jolulujigunubibuxasasof.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/jowoviwupapotuludimebe.pdfIn PDF document text
- https://adikkedua.com/contents/files/sezuxivisokoloxopivuj.pdfIn PDF document text
- http://acrclubinversores.com/files/galeria/files/81465111960.pdfIn PDF document text
- http://klwas.org/userfiles/images/file/18206183206.pdfIn PDF document text
- http://valkexclusief.reviews/app/webroot/files/userfiles/files/lufetag.pdfIn PDF document text
- https://www.emcp-pmce.ca/_includes/ckfinder/userfiles/files/63149720061.pdfIn PDF document text
- https://mosconi.net/userfiles/file/67082547871.pdfIn PDF document text
- https://s-oil.hoakhanh.vn/uploads/image/files/dusuloxesuv.pdfIn PDF document text
- http://fitviewer.biz/files/file/bozatifegor.pdfIn PDF document text
- http://gesundezellen.com/neu/userfiles/file/xipite.pdfIn PDF document text
- http://ventmetal.ru/userfiles/files/foxonowevoxenazewavumixu.pdfIn PDF document text
- http://zhouzhuanx.com/v15/Upload/file/202191455475082.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=system+application+software+examplesPDF 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_off0000b719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB719 | 15444 bytes |
SHA-256: 1661277cee0bd7702bb18ca2f5a3c3da9c510a0bd22e4fcb42a5844acb1b2969 |
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font_01_sfnt_off0000dee0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEE0 | 11016 bytes |
SHA-256: 2b2d61a5b377c4be39b10beab3ea8b94039ca6632faa81ed4ff1e35ffebf285d |
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font_02_sfnt_off0000f88b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF88B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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