MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to disposable domains, indicating a link farm designed to obscure the true malicious destination. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' strongly suggests the document's purpose is to trick the user into downloading a password-protected archive, a common tactic to bypass security filters. The ML classifier also flagged this PDF as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://kurskodkb.ru/page_edit/_samples/userfiles/files/92382248890.pdf In PDF document text
- https://reha.bg/content/upload/file/silazilopadikevokusoz.pdfIn PDF document text
- http://murielbellhomes.com/userfiles/files/84730169764.pdfIn PDF document text
- https://loyallcanada.ca/editor_files/file/6917959353.pdfIn PDF document text
- https://kultmotor.hu/images/files/xelidusofiduri.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/89804219162.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/ponekewoludekavutoke.pdfIn PDF document text
- https://investincarpathians.eu/app/webroot/media/files/vulejeporog.pdfIn PDF document text
- https://madspot.dk/ckfinder/userfiles/files/lakebadanuselesixifota.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/jojowawixol.pdfIn PDF document text
- http://bamila.vn/luutru/files/jukafadabokipepukelone.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/balidudutonaruratufeva.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/jozufefesisukonafasajoti.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/parimuvofoliguzip.pdfIn PDF document text
- https://springkasteelhuren.be/userfiles/file/19782240563.pdfIn PDF document text
- http://sm300159.agchost.com/userfiles/files/79689849931.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8dc765806---gekakibopapapitasedowidub.pdfIn PDF document text
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210911_172658.pdfIn PDF document text
- https://jancsoalapitvany.hu/ckfinder/userfiles/files/18889392508.pdfIn PDF document text
- http://childconnect.com/swi/fckfiles/file/84386575257.pdfIn PDF document text
- http://shiinamotors.com/js/upload/files/setovekebife.pdfIn PDF document text
- https://slicktechproducts.com/newerac2c/userfiles/file/zejajixazepezobo.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/wariduvofi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=mr+nobody+watch+online+english+subtitlesPDF 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_off0000d661.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD661 | 11084 bytes |
SHA-256: a05b978558e297b6402fd4b520e0e9799f70feec63ea8ec5986354310ee30eff |
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font_01_sfnt_off0000f006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF006 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010818.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10818 | 16856 bytes |
SHA-256: 831804a9afb06c664adb268459a769352e1d24116abfa2164ee6e8d18ef61ef1 |
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