MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristic 'SE_BROWSER_INSTALL_LURE' suggests the document attempts to trick the user into installing a malicious browser extension or update. While no scripts were extracted, the document's structure and embedded URLs point towards a social engineering attack designed to compromise the user's system.
Machine Learning
- Nyx PDF Classifier malicious score 0.9921
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://infrabud.eu/fckpliki/file/kanerowimafob.pdf In PDF document text
- http://getsolarny.com/userfiles/file/96464747767.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/24893465116.pdfIn PDF document text
- http://sro52.ru/uploads/files/49783959671.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/92285309170.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/48432789176.pdfIn PDF document text
- http://cosmeticdermatologymiamibeach.com/uploads/data/files/liriwujalokulasi.pdfIn PDF document text
- http://astorandblack.net/emailer/userfiles/file/34246424709.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021090915154573499.pdfIn PDF document text
- http://ekhoron21.mn/uploads/files/6966889865.pdfIn PDF document text
- https://foulardfotografando.it/file/najaxux.pdfIn PDF document text
- http://mcutech.net/upload/2021/09/file/1631830520875454068.pdfIn PDF document text
- https://masukpt2.com/contents/files/kudunurutexilemunas.pdfIn PDF document text
- http://clubmaniacr.com/campannas/file/laliwiput.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1vmanqsun0fc03nu87er957pv7/56962013740.pdfIn PDF document text
- http://uticachemical.com/files/upload/files/15363669395.pdfIn PDF document text
- https://viadagio.be/userfiles/file/5801121203.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210915_B092077EAE60238D.pdfIn PDF document text
- http://nhungbaithuocnam.com/img-tvdl/files/41026720882.pdfIn PDF document text
- http://seto.cz/uploads/palafomakikewaza.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/471c19ffefe07e5d74947f94e359f475/29250795842.pdfIn PDF document text
- https://klcconsulting.eu/klc/file/setobuvufu.pdfIn PDF document text
- http://gtlitalia.com/userfiles/files/20444963474.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=code+for+10000+robuxPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000103c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C9 | 17620 bytes |
SHA-256: c60f5aa9105210d23756ccf510a770d540008095c2affde3a1e4c4d781fbf4e6 |
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font_01_sfnt_off00011e61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13673 | 18992 bytes |
SHA-256: 88b07c7b63fcb8d021df7455a2b1a5738236ea2b04403bcd0fdf925988d5e566 |
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font_03_sfnt_off00016828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16828 | 10224 bytes |
SHA-256: 25a3743b98538411c922f99ae24484707a92b03f7d96c60bf38be662b52eff7d |
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