MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to disposable domains, suggesting a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, indicating the PDF's purpose is to distribute links to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://codemessaging.net/ckfinder/userfiles/files/pubexojifarukatupipul.pdf In PDF document text
- http://ain.proximeo.com/ckfinder/userfiles/files/31190660011.pdfIn PDF document text
- http://foodchemsino.com/d/files/wigubitarunujupipiv.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/bujej.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e9ef5d842---potorikifan.pdfIn PDF document text
- http://westernmaki.com/uploads/files/60077676482.pdfIn PDF document text
- https://hocaukhudothithanhphogiaoluu.com/asset/site/files/14868509169.pdfIn PDF document text
- http://autoscuolecasetta.it/userfiles/files/rolijilodamovoj.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/42414644234.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/43180659696.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/2679101610.pdfIn PDF document text
- https://themis-lex.com/userfiles/files/ruwofezolifukexa.pdfIn PDF document text
- https://sibois.eu/userfiles/file/mumizeger.pdfIn PDF document text
- http://5mal4.de/moneyvidya/web/images/userfiles/file/87855130570.pdfIn PDF document text
- http://xaydunglenguyen.vn/upload/files/a6d1cd.pdfIn PDF document text
- https://hobbes-group.com/upload/files/83150835015.pdfIn PDF document text
- http://alfavs.eu/userfiles/file/lazusasezusopipo.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16139f92ce5f5d---vunutu.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/2910516674.pdfIn PDF document text
- http://tiquital.com/documentos/file/momovofenefobus.pdfIn PDF document text
- https://ihappywash.com/uploads/files/202109120842529466.pdfIn PDF document text
- http://okna-kurska.ru/page_edit/_samples/userfiles/files/17516836728.pdfIn PDF document text
- http://geoplan.su/userfiles/file/8870870012.pdfIn PDF document text
- https://marcvandewiele.com/userfiles/file/safizedenanipomotemox.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=tekken+2+download+apkPDF 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_off0000d378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD378 | 10188 bytes |
SHA-256: 92ac46368ec6f60c19e9485ebbf0c1de46a7b3e97e919ce006e9a721a1dcad5f |
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font_01_sfnt_off0000ea8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8A | 16924 bytes |
SHA-256: 9cded6c7584417224e5bd03a8c4323b7f6a4153e022520adb3d9141a81145ea6 |
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font_02_sfnt_off000116c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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