MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable or unknown domains, suggesting a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior. While no scripts were explicitly extracted, the nature of the embedded URLs and the overall detection suggest a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://sevvalturizm.com/rsm/files/98549728008.pdf In PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021092806472680554.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b6bd20a14a---77633951728.pdfIn PDF document text
- http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/36539763647.pdfIn PDF document text
- http://halanmilk.com/upload/files/54943760533.pdfIn PDF document text
- https://chogmai.org/ckfinder/userfiles/files/25172804551.pdfIn PDF document text
- http://sergeybazarov.ru/file/45901393403.pdfIn PDF document text
- https://paulogomeslda.com/userfiles/file/28143388763.pdfIn PDF document text
- http://dichvugiayphep.net/hinhanh_fckeditor/file/jenejumebifo.pdfIn PDF document text
- https://deitratech.com/userfiles/file/fojalugisobonofub.pdfIn PDF document text
- https://hoalavender.net/upload/files/jonolodaxenalajopaguj.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b950eab6ac---45158471744.pdfIn PDF document text
- https://soenen-pneus.com/upload/file/dogoxirofivo.pdfIn PDF document text
- https://www.douggoodkin.com/admin/ckfinder/userfiles/files/lexunemed.pdfIn PDF document text
- http://kientrucsangtrong.com/plus/files/95255348819.pdfIn PDF document text
- https://totounited.com/contents/files/fexewepunakokowidifuzevu.pdfIn PDF document text
- http://unibeauty.com.br/ckfinder/userfiles/files/werugopusewow.pdfIn PDF document text
- http://www.agenbenangbandung.net/file/gatow.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/xufunivo.pdfIn PDF document text
- http://idcla.net/upload/files/xikejeriz.pdfIn PDF document text
- http://hijoin.hu/editor_up/dukepix.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/satazulemin.pdfIn PDF document text
- http://www.primariasantana.ro/uploads/file/dodosis.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/28747533635.pdfIn PDF document text
- https://hyosungulf.com/uploads/file/80146691014.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///43951575149.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+make+a+fillable+form+in+pdf+from+wordPDF 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_off0000dbd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD1 | 18384 bytes |
SHA-256: 0b0e5a6a5a9848d4672b8d47ce53292e855affca2fab5d47ed7a776e90eff1a9 |
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font_01_sfnt_off00010b4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012364.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12364 | 10800 bytes |
SHA-256: 46957840e1c118f42e8cc0c48de3da34931385b5d2ca92c87b78e29d32c36661 |
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