MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, identified as a link farm on disposable hosting. One critical heuristic indicates links to known malicious redirector infrastructure, specifically pointing to 'https://dafemum.ru/strik'. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://dafemum.ru/strik?utm_term=jay+z+in+the+dust+of+this+planet+t+shirts In PDF document text
- https://cdn-cms.f-static.net/uploads/4497650/normal_6036e19d9416b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369643/normal_6057f1cfe6b96.pdfIn PDF document text
- https://cdn.sqhk.co/jisaside/eXjfigc/hd_movies_free_movies_2020_download.pdfIn PDF document text
- https://luvokivimowef.weebly.com/uploads/1/3/1/6/131607407/wigilujeno_mumumafamubi_vorufaniri.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420430/normal_6028b0d8d8fd8.pdfIn PDF document text
- https://cdn.sqhk.co/wafavalufa/KjUjcsc/racing_fever_game_hack_download.pdfIn PDF document text
- https://cdn.sqhk.co/vizakifito/qhbiigj/blockchain_voting_system_github.pdfIn PDF document text
- http://dabukim.mygamesonline.org/makalah_ascariasis.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484383/normal_60188a61f257f.pdfIn PDF document text
- https://wotuterivakevom.weebly.com/uploads/1/3/4/6/134608936/reroxulonoridap.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387813/normal_5fd7a87bbf5e1.pdfIn PDF document text
- http://baxijemapuzoxu.22web.org/gepive.pdfIn PDF document text
- https://cdn.sqhk.co/xomatujod/icXjehe/55753256816.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://vorisenunajix.myartsonline.com/tissot_t_touch_expert_solar_1_vs_2.pdfIn PDF document text
- https://6d5fec37-5936-4ae8-8938-03a86e982f09.filesusr.com/ugd/d4da64_6dbb844a16ef44a19b85ada1f51f1fa1.pdf?index=trueIn PDF document text
- https://198d5876-2e36-4a54-a59d-b4c1060b65be.filesusr.com/ugd/4733ca_58470dd570274a4793c7e745d0a6ea95.pdf?index=trueIn PDF document text
- https://5457524e-bace-410a-9ce7-c8d8bc0eedea.filesusr.com/ugd/f0ffd0_64bf42eb0d4f4ab0b0ac09fea39d0934.pdf?index=trueIn PDF document text
- http://lixugafepujijoj.onlinewebshop.net/25459789732.pdfIn PDF document text
- https://b9eb3541-094c-4606-b101-17c2291fd6e1.filesusr.com/ugd/a18601_5d72764ddb25450292bb48222bc5fc62.pdf?index=trueIn PDF document text
- https://66c7139a-03c0-45fe-98d3-e817d1e01442.filesusr.com/ugd/de2db5_06474e71894f4e28a584d02997ce34dc.pdf?index=trueIn PDF document text
- http://zakifatuvosi.rf.gd/factors_affecting_academic_performance_rrl.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D4 | 5152 bytes |
SHA-256: 738281f5dba66c1343bcfa688c24a74fadd83ba5949e420faebf48a12e60cb2d |
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font_01_sfnt_off0000f958.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF958 | 11588 bytes |
SHA-256: dfbde3d91834513785d162bca15eeb09c667f596c2c66fea197487c902297ce2 |
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font_02_sfnt_off0001210b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1210B | 16096 bytes |
SHA-256: 301fb2f14aa1e9a5cf8540ebf40f17e8311eb9ba756e1d76589e408feb703965 |
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font_03_sfnt_off000135d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135D1 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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