MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to PDF files on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a pattern of using disposable hosting for links. While no scripts were explicitly extracted, the presence of external URIs and the overall structure point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.e-oswiata.olesnica.pl/ckfinder/userfiles/files/tibopoxuwawijavediw.pdf In PDF document text
- http://tatagz.com/uploadfile/files/fupusitu.pdfIn PDF document text
- http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/80954734564.pdfIn PDF document text
- http://gyndoktors.de/ckfinder/userfiles/files/94983128857.pdfIn PDF document text
- http://bangtaisay.com/uploads/userfiles/file/48782364055.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/tafik.pdfIn PDF document text
- http://moyamoya.center/images/hand_uploaded/files/63592864666.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/a3368329cc53a81c294926b3027900f3/91669576584.pdfIn PDF document text
- http://electric-kernbichler.at/87168583655.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/95264583886.pdfIn PDF document text
- https://asken.as/bilder/file/gejevev.pdfIn PDF document text
- https://innovativallatgyogyszer.hu/fileok/file/wezulasutoram.pdfIn PDF document text
- https://vieclamday.com/userfiles/file/gogav.pdfIn PDF document text
- http://thepducphat.com/upload/files/35204197554.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/4080357203.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/41993038645.pdfIn PDF document text
- http://iuf.kr/pds_down/files/jukepasu.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cdeb350043---25769821484.pdfIn PDF document text
- http://ondamarinarest.com/upload/files/11970386458.pdfIn PDF document text
- http://le-nora.com/userfiles/file/luzukomexudidanarotegi.pdfIn PDF document text
- http://deleeuwputten.nl/site/data/ws/files/68242327437.pdfIn PDF document text
- http://n2nlah.org/UserFiles/file/xasinitobenunozidarupete.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/kamane.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=online+photo+to+pdf+editorPDF link annotation
- http://pro.ovh.net/~tribuene/images/banque/file/fiziz.pdfIn PDF document text
- 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_off0000d515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD515 | 10292 bytes |
SHA-256: fedf6fb8ed25dfb94a9739030a970bcfc32f5ca23f7e4e6abd0521b9fd8025c1 |
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font_01_sfnt_off0000ec15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010427.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10427 | 18744 bytes |
SHA-256: bfa3d51c583838a65bae2bab42d974c5ae9063df2fb73392bcae06de71376e40 |
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