MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains an image-only interface with a click-outward action, typical for tricking users into visiting attacker-controlled URLs. The document body is heavily obfuscated, preventing a clear understanding of its specific content, but the presence of numerous external URIs and the PDF_IMAGE_LURE heuristic strongly suggest a malicious intent to redirect the user.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://mytopics.it/uploads/file/10394133866.pdf In PDF document text
- http://5percent-design-action.com/upload/users/files/lofovidevutis.pdfIn PDF document text
- https://umutisi.com/umut/upload/files/49658786736.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/sedasukudijina.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/8704946006.pdfIn PDF document text
- http://ntep2008.com/UserFiles/File/dimijopanogape.pdfIn PDF document text
- http://maekalocal.com/Maeka/UserFiles/File/fabigobezejuzas.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/36868836939.pdfIn PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/67210604826.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210917012812.pdfIn PDF document text
- https://marbeyoyun.com/calisma2/files/uploads/bivat.pdfIn PDF document text
- http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/24635487616.pdfIn PDF document text
- http://ecme.site/2015/vat/upload/files/faxakekolejoveribotewelo.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/pimetowutojezijegub.pdfIn PDF document text
- http://bebelino.ru/userfiles/file/91569639511.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/1748239931.pdfIn PDF document text
- https://specialgarden.ro/userfiles/file/vamumiveranusulusafizi.pdfIn PDF document text
- http://ajej.pretty-match.com/upload/files/46731383184.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613536e679aea---25697821239.pdfIn PDF document text
- https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/87300930992.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/38096146245.pdfIn PDF document text
- https://sergeca.com.ve/ckfinder/userfiles/files/pagozapetunevexo.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/52639321815.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=th9+witch+armyPDF 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_off0000b133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB133 | 10256 bytes |
SHA-256: fc75b79c5f1951a0945e50266092d11600318fd39f62e308aef213efdf8a5141 |
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font_01_sfnt_off0000c866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC866 | 14360 bytes |
SHA-256: 208e1cf81caf1ae64dd77b1427bf5c06277ce86a82811024957cd1ebd1482833 |
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font_02_sfnt_off0000ecaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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