MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing and trojan delivery mechanism. It contains numerous external URIs, with one identified as a link farm on disposable hosting, suggesting an attempt to obscure the true destination. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://generoussecurity.com/uploads/fumilo.pdf In PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/28039832473.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210914061546957.pdfIn PDF document text
- http://domario.ru/userfiles/file/88326531543.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/vekagunanokamomevixemu.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/lidilipi.pdfIn PDF document text
- https://tvmreza.tv/ckfinder/userfiles/files/30197459505.pdfIn PDF document text
- http://cbgnfinance.com/userfiles/file/pefidadeneka.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/42819614566.pdfIn PDF document text
- http://friulanapanini.com/images/file/9612243274.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/nadukobemagiri.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/5576758327.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/gevewomazulasa.pdfIn PDF document text
- http://xhzhengli.com/upload/12485958611.pdfIn PDF document text
- http://lepetitjaunais.com/userfiles/file/baposezuwekepirofuzemeb.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16130841688b36---xiwugowefe.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/vofugixomebidarowi.pdfIn PDF document text
- https://tutorsbureau.net/userfiles/file/benoze.pdfIn PDF document text
- http://galenbio.com/images/upload/file/34355456544.pdfIn PDF document text
- https://rh4-h1tapi-turbo.com/contents/files/6123517777.pdfIn PDF document text
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14312274726.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/3722d71d120ad108d6cd2d0985f0628d/wamupizatudutusifip.pdfIn PDF document text
- http://diegogenna.it/userfiles/files/xizosokitimemitunanad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=ultimate+ninja+storm+4+free+download+for+androidPDF 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_off0000e275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE275 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fa87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA87 | 17756 bytes |
SHA-256: 62b4061a4a5b41bdc11de808770f10d431959bcfcdcbfb0b76041f34d31467ef |
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font_02_sfnt_off00012803.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12803 | 10816 bytes |
SHA-256: 002b6478652f2e4fe13fd1ab695903e74f2647d5683d023fa60b23221fc19444 |
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