MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by multiple heuristics as malicious, including a high-severity rule for random URL links and a critical ClamAV detection. The presence of numerous links, many pointing to disposable domains, strongly suggests a phishing attempt or a link farm designed to distribute malicious content. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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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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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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://vinaarc.com/app/webroot/files/ckfinder/userfiles/files/lesafisatiletewalar.pdf In PDF document text
- http://profil-metall.de/content/uploads/file/44709668411.pdfIn PDF document text
- https://lifo-sea.com/ckfinder/userfiles/files/zemogizuseli.pdfIn PDF document text
- http://packturf.fr/files/giwesogakunutapujasapeb.pdfIn PDF document text
- https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/zupurematejaxufinagef.pdfIn PDF document text
- https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/85941965280.pdfIn PDF document text
- https://medius.sk/userfiles/file/lotagevudanijokalurixure.pdfIn PDF document text
- https://accessnepal.org/userfiles/file/nojemevolimerinet.pdfIn PDF document text
- http://fpempresa.cen.es/userfiles/files/lelutixobabeja.pdfIn PDF document text
- https://apsco.ly/userfiles/files/61078912386.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/98982208817.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/57273589731.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/47083620870.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161392b28ed1ca---86243371368.pdfIn PDF document text
- https://pima-alarms.net/slicice/file/wimukexerogisadebemafod.pdfIn PDF document text
- https://pearproperties.in/userfiles/file/50745479837.pdfIn PDF document text
- http://ambulatorioveterinariosantanna.eu/userfiles/files/46979540369.pdfIn PDF document text
- https://combrooncom.com/contents/files/17161686040.pdfIn PDF document text
- http://laser-piskovani.cz/democms/userfiles/file/52150271590.pdfIn PDF document text
- https://schodyperfekt.pl/user_upload/file/27315944773.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e87724e438---vubufufinuzixavumekifoju.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/luguxeduxu.pdfIn PDF document text
- http://manuale.aziendasulweb.it/userfiles/files/dinizegovujem.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=best+sd+card+recovery+for+androidPDF 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_off0000aebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6D0 | 14596 bytes |
SHA-256: c68821c82a683d5c865b46f6536f8e225b20f042aa4318471dd6ae088cfb1be0 |
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font_02_sfnt_off0000eaee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAEE | 10656 bytes |
SHA-256: 0307f42a1f4e3606aacd0c3f0db5327e76802bfee8aaae88c93199b2d7200043 |
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