MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to PDF files on distinct hosts, indicating a link farm designed to distribute malicious content or phish users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://torgoborud.org/images/file/nuxig.pdf In PDF document text
- https://luckysurface.itweald.com/uploads/files/614692be715bf.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/48406446615.pdfIn PDF document text
- https://solucionaesp.com/ckfinder/userfiles/files/tusazezomosiluwipofori.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615bf8fde39da---44314175475.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/20854733562.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615581cf70174---vowominowadatidopi.pdfIn PDF document text
- http://graczeonline.pl/userfiles/file/kakuboligurubopadasuzutu.pdfIn PDF document text
- http://balletpanov.com/uploads/files/56982874711.pdfIn PDF document text
- https://riminabda.sk/userfiles/file/49367457907.pdfIn PDF document text
- https://dangeloremodeling.com/nbloom/fckuploads/file/32664813982.pdfIn PDF document text
- http://xingzhongjing.com/userfiles/file/20211006054347_1504591118.pdfIn PDF document text
- http://icsbc.ru/fuploader/file/4431827687.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/95817953311.pdfIn PDF document text
- http://cy2hand.com/userfiles/88136598955.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/95557244259.pdfIn PDF document text
- https://iwanbim.com/userfiles/files/jupem.pdfIn PDF document text
- https://garnizone.com/userfiles/file/89717294449.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/26005356341.pdfIn PDF document text
- http://belst.by/upload/file/dasukixogavewovotokola.pdfIn PDF document text
- https://alpasol.e-giant.net/upload/files/80503751766.pdfIn PDF document text
- https://kultmotor.hu/images/files/jewirufofetusinulura.pdfIn PDF document text
- http://abpjse.news-read.com/upload/files/29446401336.pdfIn PDF document text
- https://yauspeshen.com/ckfinder/userfiles/files/sikufefafezisesigememusa.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/mubivaguvegedepoburapum.pdfIn PDF document text
- http://capableapp.com/uploads/files/36144003580.pdfIn PDF document text
- https://prestinieurope.com/userfiles/files/fuleguvodan.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=are+website+names+italicizedPDF 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_off0000e490.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE490 | 18476 bytes |
SHA-256: f8a924f9edd8ff5b6578a912611f19d2bafa5e6dbeb34526291a5ab34bcae9b6 |
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font_01_sfnt_off00011553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11553 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D6A | 10676 bytes |
SHA-256: c63a68c4a5433e564f2dcc1b2be6d7802858f9e2d1a13c3ef2b791655a96d9e1 |
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