MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs pointing to various domains, many of which are structured to host PDF files. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high likelihood of this document being part of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://umiyawoodworks.com/fckdb/userfiles/file/gezadapoxodajibum.pdf In PDF document text
- http://langeline.com/ckeditor/upload/files/68423324152.pdfIn PDF document text
- http://skisun.it/userfiles/files/86127327584.pdfIn PDF document text
- http://studiogeologicotrilobite.com/userfiles/files/59173500382.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/47210090402.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136895adde7e---fivob.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/10313494980.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/wazesuvekazekajux.pdfIn PDF document text
- https://marbeyoyun.com/calisma2/files/uploads/72684941551.pdfIn PDF document text
- http://technology-mp.it/userfiles/files/zuvikumuvosodi.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/72613210337.pdfIn PDF document text
- http://hanboo.cn/Uploads/file/2021091401220770554.pdfIn PDF document text
- http://elementyzlaczne.pl/media/file/rufupinosig.pdfIn PDF document text
- http://residenzaeden-albisola.com/userfiles/files/38881018811.pdfIn PDF document text
- http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/99588369110.pdfIn PDF document text
- http://palaciodelosnavas.com/userfiles/file/9882034549.pdfIn PDF document text
- http://pescepiana.eu/userfiles/files/45984048648.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/85377806895.pdfIn PDF document text
- http://ttfi.org/app/webroot/userfiles/file/46173427602.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/96801081478.pdfIn PDF document text
- https://eprobatdz.com/ckfinder/userfiles/files/25360471891.pdfIn PDF document text
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/31051590045.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/losikomoxirule.pdfIn PDF document text
- https://inprovitcolombia.com/ckfinder/userfiles/files/45456859657.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+do+you+transfer+from+an+android+to+an+iphonePDF 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_off0000d04b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD04B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e85d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85D | 17680 bytes |
SHA-256: fa49d4905bfb924f3ff9c9492bbfb93de631da75458b5784bf2087c356815d22 |
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font_02_sfnt_off000115ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115EA | 11008 bytes |
SHA-256: 98025f30c85066e15df262cae990d4188c35cd0ff2126bd1d23b5efff1266578 |
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