MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one prominent URL suggesting a lure related to 'excel online training microsoft'. Heuristics indicate this PDF is part of a link farm hosted on disposable domains, and ML classifiers and ClamAV strongly flag it as malicious, likely phishing or a trojan. The embedded content, though heavily obfuscated, likely facilitates the redirection to malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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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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://kuzutuzo.ru/strik?utm_term=excel+online+training+microsoft PDF link annotation
- https://static.s123-cdn-static.com/uploads/4422373/normal_5fde8deb221cc.pdfIn PDF document text
- https://cdn.sqhk.co/wepunajexiju/OzTahb8/2234861951.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370987/normal_5fce60c7ebdee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451206/normal_6065c7f748c9c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412161/normal_602ee8f15e870.pdfIn PDF document text
- http://anbieterbewertung-autoscoutch.com/bulletin_de_salaire_suisser4l05.pdfIn PDF document text
- http://silvanozito.online/265976711205oxc7.pdfIn PDF document text
- https://cdn.sqhk.co/zudilubal/1E7hcjb/bed_wars_mod_apk_unlimited_everything.pdfIn PDF document text
- http://espaceabonne.com/zirawumirixizunetuzuwbewjv.pdfIn PDF document text
- http://douchehq.xyz/presonus_studiolive_32.4.2ai_manual7uefm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420248/normal_6052f70b264d7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://75e6061f-eb7a-4ce8-b546-077bf96366c3.filesusr.com/ugd/2dfd19_588684385d0146b6a96916ccba793247.pdf?index=trueIn PDF document text
- https://a16eeaf1-ab09-4fb7-bdbc-3ebfa24c279d.filesusr.com/ugd/03042f_c516c7efed55488187b2dc9cf7177b23.pdf?index=trueIn PDF document text
- https://9e1bd277-069e-4713-bdcc-1ab96cf790c3.filesusr.com/ugd/5fd2af_83270e48e13349638d0d023b56d90cbf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/44bf56bf-29f5-49a2-8c07-56412dce7fa6/gezufapipamezux.pdfIn PDF document text
- https://a2ae8793-a99f-480d-a3bc-849ef63d34f7.filesusr.com/ugd/cc207a_4e7bf98054bc4525b67b4383104a52c3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0af0a1ae-6017-476f-acbe-b08cb4312658/what_is_superior_iron_man.pdfIn PDF document text
- https://b634734f-67aa-4edc-9b69-dcf7610e4690.filesusr.com/ugd/c86859_fbe1b771feaf4f579da316b6221ee964.pdf?index=trueIn PDF document text
- https://e437b920-fa79-41d5-b67c-0ca059f4e77a.filesusr.com/ugd/d97c10_088c1893ee904932aa5d5551f4274c37.pdf?index=trueIn PDF document text
- https://b564fea6-732e-489f-a029-a72dc6590de2.filesusr.com/ugd/6a4619_e1ac37940de24177b912cf14142343bc.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6c1b43c1-4961-4d2a-b14a-8fcc14a2dc2d/olympus_e-500_dslr_camera_reviews.pdfIn PDF document text
- https://13a2bf7a-7930-4518-a7e6-737bf3c0aa4f.filesusr.com/ugd/f5c1a0_261dc593e7674bb7b47397fdd69428b8.pdf?index=trueIn PDF document text
- https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_266889010a91402a8617ca233ac3b54b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2ca514b7-79a6-4dfc-b7f9-5bf6a1779742/mopebesinewavixopebe.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://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_off0001321f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1321F | 5224 bytes |
SHA-256: 95267b6e157ef889265c0832b534db76a0df2a7fb88483777cbb6aa78e1e2deb |
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font_01_sfnt_off000143da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143DA | 10772 bytes |
SHA-256: fc1634ff3f939dc65c9d8f0f74fd67e88334c7447f927c1d5146d12c23a2e49f |
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