MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains a large number of embedded URLs, many pointing to disposable hosting, suggesting a link farm or phishing lure. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, indicating the document's purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://catamma.ru/uplcv?utm_term=significance+of+number+11+in+the+bible PDF link annotation
- https://mamo-tato.ro/userfiles/file/96424486604.pdfIn PDF document text
- http://pk-rowery.pl/user_pict/file/3356697499.pdfIn PDF document text
- http://dejede.com/userfiles/file/23924230125.pdfIn PDF document text
- http://texmet.pl/userimages/file/ruximajozudufibusis.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/zulanasaze.pdfIn PDF document text
- http://eko-uklid.com/files/file/28531811144.pdfIn PDF document text
- https://pro-biomed.com/admin/userfiles/file/69165097196.pdfIn PDF document text
- http://mothertheresapublicschool.com/userfiles/file/fusovo.pdfIn PDF document text
- http://kennycojewelry.com/userfiles/files/202110/1634199859.pdfIn PDF document text
- https://ladachess.ru/userfiles/file/55599622267.pdfIn PDF document text
- https://iohrp.org/f_files/files/19835495170.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/larugefofojok.pdfIn PDF document text
- http://geojeoceanhotel.com/userfiles/file/20211006214913.pdfIn PDF document text
- http://vinhthuan.asia/upload/files/dewewu.pdfIn PDF document text
- https://forumhrdbekasi.com/webroot/userfiles/files/wozarulolada.pdfIn PDF document text
- http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/3eb3b910b01cc45f2585b245b4a0ea64/57783286336.pdfIn PDF document text
- https://harshahometutors.com/uniformkontakt/userfiles/image/files/92863234014.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/29007145999.pdfIn PDF document text
- http://efeteknikyapi.com/userfiles/files/somewulif.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/51009239140.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/sigujovepa.pdfIn PDF document text
- http://sladkiy-ostrov.ru/userfiles/files/gazuxisulave.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/16435961546.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136511311e9e---faguwezazazupiramug.pdfIn PDF document text
- https://giaynangchieucao.com/userfiles/file/86051827520.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_off0000c71b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC71B | 10980 bytes |
SHA-256: 1dede3b8aad7e8cb76369bc3e48adb1166259e990c9d0f4dc7f9453ea6470ef1 |
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font_01_sfnt_off0000e071.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE071 | 16440 bytes |
SHA-256: a5fd33d2df81a4933445eae883e4f68e5a71e908eb614d6e2f470140c956c55a |
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font_02_sfnt_off00010b36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B36 | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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