MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. It also features a visual download button lure, suggesting a phishing or scam attempt. The ML classifier strongly indicates maliciousness, and ClamAV confirms this with a 'Pdf.Phishing.Trojan' detection. The embedded URL leads to a known malicious domain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crophysi.ru/award?keyword=astm+d638+pdf+free In PDF document text
- https://cdn-cms.f-static.net/uploads/4450898/normal_604b4f41f31f6.pdfIn PDF document text
- https://cdn.sqhk.co/jabisopomuxo/vgjNChg/17877479576.pdfIn PDF document text
- https://banezinalirunod.weebly.com/uploads/1/3/1/4/131437453/1000407.pdfIn PDF document text
- http://bejisosubonito.sportsontheweb.net/3623703117.pdfIn PDF document text
- https://soxajerufoxizas.weebly.com/uploads/1/3/4/8/134880654/4781240.pdfIn PDF document text
- https://lobubanir.weebly.com/uploads/1/3/2/8/132814664/nodapu.pdfIn PDF document text
- https://sonikimejikelo.weebly.com/uploads/1/3/2/6/132681145/8735153.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448096/normal_600669f483161.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444638/normal_60414f7dc64de.pdfIn PDF document text
- https://cdn.sqhk.co/balaragu/X9k1geT/sutoximuj.pdfIn PDF document text
- http://xokebidukefu.getenjoyment.net/what_is_the_us_constitution_for.pdfIn PDF document text
- https://cdn.sqhk.co/sebixodof/hbgj1bH/cake_maker_2_my_cake_shoppe.pdfIn PDF document text
- https://cdn.sqhk.co/bodorosuzuta/xUhisge/rinugotadafobesapazenolun.pdfIn PDF document text
- http://gezakiribonenin.mywebcommunity.org/ankle_sprain_exercises_spanish.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0fc1b55b-6d12-4096-9fc4-6d0f9341e5a2/gijejesovem.pdfIn PDF document text
- https://e108c0fa-8e70-4110-aab7-e0d30777705f.filesusr.com/ugd/d9966b_037f4b4c442f4b5e9b1178112695eea1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/909f6f9b-2c0a-4034-8dcd-380f5ae24d74/coh2o6_br3_name.pdfIn PDF document text
- https://8c330184-3457-40de-b162-e34763a77ed1.filesusr.com/ugd/0aae61_af9d22c4a41f41cdb50eef7252a187c7.pdf?index=trueIn PDF document text
- https://c11ab09e-384c-4904-8c79-5ef6f38008df.filesusr.com/ugd/7131a6_9ce0567838d644f48eb4d734c70a48c7.pdf?index=trueIn PDF document text
- https://b4140449-9b96-4148-8619-c9b3eed7b48c.filesusr.com/ugd/c33cdb_42348f48c00449e8b7320faaba0ae5d3.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE125 | 5444 bytes |
SHA-256: ec87d36e0ff17da65133521c4aa7013b5dd9f51b6ebee215f254a4b455afea6a |
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font_01_sfnt_off0000f396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF396 | 11084 bytes |
SHA-256: fc8525d27c7ed36ff3f119309893e80f4fdc7fc65bab734722c6f1651a4a0f42 |
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