MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The ML classifier and ClamAV detection strongly indicate malicious intent. The sample also exhibits characteristics of a link farm, with numerous external URIs pointing to potentially malicious or disposable domains, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://kolkandkolkdesign.com/site/data/ws/files/45335160788.pdf In PDF document text
- https://pepsima.biz/files/file/684554735.pdfIn PDF document text
- http://k2plusinterior.com/userfiles/gudovulamagefexoni.pdfIn PDF document text
- https://discovercefalu.it/_data/images/file/ruxevekabumirum.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/taluxuradube.pdfIn PDF document text
- https://phunhai.net/upload/files/binopofaliletila.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/pijopudivusukenum.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/jafofuke.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/44662315917.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/xizaletiteximuxuwugip.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/38488007309.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/5e21a80c0297155b20a61ce55fa9f30b/mujegifavexafubasobojamaz.pdfIn PDF document text
- http://galerie45.com/userfiles/file/wokojezinopagajaki.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/nuveseraf.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/sokala.pdfIn PDF document text
- https://kvizek.excore.hu/ckfinder/userfiles/files/70955521608.pdfIn PDF document text
- http://www.enredmail.com/templates/files/idCliente_/file/dodigitapasosudepukok.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/jajovuda.pdfIn PDF document text
- https://gmnavarra.es/ckeditor/files/dotedomeniwewevesatuwa.pdfIn PDF document text
- http://blccy.com/userfiles/files/52128968303.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/raxujofadarupesedelopixiw.pdfIn PDF document text
- http://selmanoglusigorta.com/userfiles/file/30295136416.pdfIn PDF document text
- http://app0.linkeo.it/ckfinder/userfiles/files/58366450129.pdfIn PDF document text
- https://brihat-group.com/assets/userfiles/files/fekubowimetorogedomul.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=never+let+me+go+full+book+online+free+pdfPDF 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_off0000d924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD924 | 17572 bytes |
SHA-256: b85675c263cf9e3a4d3c429d486e0b2ac0ff56133f005d003a54a771ef87e30d |
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font_01_sfnt_off000106d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011eea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EEA | 10884 bytes |
SHA-256: 7b4e73cd4e795bf809d834a1accc186c1fa33bbe780806ba504f9fcce98f6ded |
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