MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document is designed to trick users into installing a fake browser extension or update, a common social engineering tactic. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme, likely involving a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://jedzenie365.pl/ckfinder/userfiles/files/79420964695.pdf In PDF document text
- https://gancza-yacht.pl/userfiles/file/fafekajisupowizuf.pdfIn PDF document text
- http://twilaw.com/files/files/libelosilufadilen.pdfIn PDF document text
- https://kapefashion.com/files/files/vugavavufexazareropi.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/29807514860.pdfIn PDF document text
- https://jv-cms.crazy-jessie.nl/uploads/files/27996977066.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/gerejibubumafesebekalav.pdfIn PDF document text
- http://www.gyndoktors.de/ckfinder/userfiles/files/1406286502.pdfIn PDF document text
- http://german-ex.com/images/blog/file/80735374137.pdfIn PDF document text
- http://pagyesa.org/userfiles/file/20210909141529.pdfIn PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/e8fd76c503a27ca02292145477cac4e5/fubusovumed.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/nofarekorubinol.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/pubaduvawejejiket.pdfIn PDF document text
- http://inter-travel.hu/_user/file/33836421056.pdfIn PDF document text
- https://fpcofmacon.com/nbloom/fckuploads/file/98111723458.pdfIn PDF document text
- http://kleinschadenexperte.com/userfiles/file/bigajegoxuvorudimir.pdfIn PDF document text
- http://dtpokebar.com/uploads/files/getibevalanovuz.pdfIn PDF document text
- http://gmkms.net/upfile_editor/2021/files/wazugizadaketidoduxi.pdfIn PDF document text
- http://rspon.pl/images/wyswig_images/file/89348681252.pdfIn PDF document text
- https://jetaime-shop.dvsportbg.com/files/sifemupevodek.pdfIn PDF document text
- https://didaktika.drmix.cz/uploads/files/fanemabojosew.pdfIn PDF document text
- http://mensagemcrista.com.br/ckfinder/userfiles/files/94763179438.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/wuxupexesorimiril.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/1a50c8797578571c058dc1d20a710f74/32213240943.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=where+are+my+screenshots+on+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_off0000e1c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C1 | 19136 bytes |
SHA-256: 749bfff41ebe8eed07e8f5548c13b619635a81b6f79f5c43c81ecdbc8a85a2e3 |
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font_01_sfnt_off0001135e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1135E | 10696 bytes |
SHA-256: e3e8d29df5f6545c68dfb98ef9c137804c72351636b066f31e4156ddbe441ae4 |
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font_02_sfnt_off00012bd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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