MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on disposable hosting, with numerous external URIs pointing to potentially malicious domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a tactic to distribute malicious content or phish users through a large number of redirecting links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://ketchas.ru/uplcv?utm_term=advanced+mechanics+of+materials+boresi+pdf PDF link annotation
- http://emailreceptionist.net/userfiles/file/15999347646.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/97560418222.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/suwosamab.pdfIn PDF document text
- http://fsanaq.com/upload/file/210930195716995250w7kilu5ga17k.pdfIn PDF document text
- http://palyavalaszto.hu/teszt/upload/file/36498247321.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/85968885385.pdfIn PDF document text
- https://kocgrafikavukatwebsitesi.demowebsiteleri.com/upload/files/16852191438.pdfIn PDF document text
- http://sonnenheizung.ch/fckeditor/editor/images/file/41738066383.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/46399575472.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/xetozolivevexe.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/jeranuziturepovikunex.pdfIn PDF document text
- https://ciar.vn/uploads/image/files/3228346840.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/fufafulawe.pdfIn PDF document text
- https://bocrangsuthammy.vn/upload/files/wisoserimiwalenemikaxoxaj.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/bklr86tmt1p1gb8mepta0avbck/zolesuwifubixezaninelira.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/68811447020.pdfIn PDF document text
- https://actionsporting.com/userfiles/files/49020942258.pdfIn PDF document text
- http://paneldeconsos.com/userfiles/file/webopagozusaxipe.pdfIn PDF document text
- https://ristovski.mk/public_html/upload/userfiles/file/67667683660.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/27052604014.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/11439795932.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/90019898369.pdfIn PDF document text
- http://mousike.it/img_ins/files/fexuwolonofofegawavufo.pdfIn PDF document text
- https://www.tratedu.net/ssss2018/assets/143ad273/ckfinder/core/connector/php/upload/userfiles/files/33b72857ff2708a8cfc590e8c546aff3.pdfIn PDF document text
- 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_off0000f4b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4B2 | 24220 bytes |
SHA-256: b968b8e9ef7c633a5c1620b9662f1669edd815ed3506d9cedf256b700c26b648 |
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font_01_sfnt_off0001347c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1347C | 11072 bytes |
SHA-256: 61963f5673fb265d3b9f1785e667de55c234e0f9c94a70b931a6b6fbee9ebfae |
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font_02_sfnt_off00014ddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DDF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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