MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous links to algorithmically generated URLs hosted on disposable domains, indicating a malicious intent to redirect users. The ML classifier and ClamAV detection strongly suggest this is a phishing or malware distribution attempt. The presence of embedded JavaScript suggests it may be used to further obfuscate the malicious links or initiate a download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://panova-art.com/files/file/pigerowekerupipobojujar.pdf In PDF document text
- http://www.atsamuihaus.com/image/upload/File/kepom.pdfIn PDF document text
- http://asclyziarskyklub.sk/userfiles/file/43528955169.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/pubezeloxu.pdfIn PDF document text
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/kumigo.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210901062948.pdfIn PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/bukovizilot.pdfIn PDF document text
- http://geosond.pl/userfiles/file/jalajijojojopulunaselu.pdfIn PDF document text
- https://ebal.ro/app/webroot/files/userfiles/files/tanemunekewuxijanudesipi.pdfIn PDF document text
- http://richardchong.com/userfiles/files/gaxuzexasudomakefadobe.pdfIn PDF document text
- http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/37607737473.pdfIn PDF document text
- https://www.institutvzdelavani.cz/files/puzorasotasupowuderimox.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/repinasatajisifupawovud.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/35f95001d8c5f34abd43419e525b6956/15720861264.pdfIn PDF document text
- http://dyglas.com/userData/board/file/nisuxifil.pdfIn PDF document text
- http://mylivediamondinventory.com/uploads/files/xuvalefitelusibinakimi.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11523015845.pdfIn PDF document text
- http://pitin-akutsu.com/js/upload/files/kunebegekelibulajedever.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/89348663466.pdfIn PDF document text
- http://secoinblock.com/upload/files/rozasaf.pdfIn PDF document text
- http://chamdure.com/DATA/files/tejimesosajiminil.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3fae3402e---2340951141.pdfIn PDF document text
- https://dyaa.club/uploads/file/kekalorura.pdfIn PDF document text
- https://12shio3.com/contents/files/9681999528.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=tantan+app+free+downloadPDF 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_off0000df82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF82 | 18652 bytes |
SHA-256: cda82aac3aa20a2b3288c8872cdec8a56663d2d049433704285d9939297e9c31 |
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font_01_sfnt_off00010f91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F91 | 10280 bytes |
SHA-256: 48adfc06e93c9f311730dd80d6edde730a67c272126624552680f16a895a5f16 |
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font_02_sfnt_off000126e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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