MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is part of a link farm designed to host multiple PDFs, pointing towards a phishing or malware distribution scheme. The embedded URLs, though many are marked as benign, contribute to the overall picture of a malicious document attempting to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://nhatngungoisaoxanh.com/upload/files/kipibugixoxenofinemufu.pdf In PDF document text
- http://jaluzipro.ru/public/userfiles/file/24544553091.pdfIn PDF document text
- http://biplano.eu/userfiles/files/nevowuduxajosi.pdfIn PDF document text
- http://auvergne.annuaire-regional.com/ckfinder/userfiles/files/42142205447.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/pamaleb.pdfIn PDF document text
- http://capriololaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95639789293.pdfIn PDF document text
- http://pronobile.com/catalog/file/rofarapamufew.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/74952109198.pdfIn PDF document text
- http://npi-management.com/ressource/site-image/files/budazodinawunolujoki.pdfIn PDF document text
- http://pietroquatriniarchitetto.eu/userfiles/files/78547523331.pdfIn PDF document text
- http://dalaichau.com/files/dazediv.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614af653cd311---zadovigav.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/96698974477.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/94334817309.pdfIn PDF document text
- https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/vozetuluxib.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/bixeburuzakutovolabiraxi.pdfIn PDF document text
- https://mediaget.ru/userfiles/files/6500435698.pdfIn PDF document text
- http://beiwendq.com/data/attachment/file/fizaxufefuxudotow.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/26309920598.pdfIn PDF document text
- http://thrifty-uy.com/files/others/54372712788.pdfIn PDF document text
- https://riosemarescentrodemergulho.com/ckfinder/files/52195583867.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/84332480597.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/nodubukap.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=pes+2019+apkPDF 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_off0000b2b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cac7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAC7 | 10240 bytes |
SHA-256: af968ebe1705b8eeb144d043be7e8413fb70bd024caf42d9fba52b50d49c7b45 |
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font_02_sfnt_off0000e213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE213 | 16384 bytes |
SHA-256: a498b58abc603467d2e1ddc65663df8575999ef67c1b805b5bc458eab6fc778d |
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