MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_LINK_FARM' suggests the document is designed to host a large number of external links, likely for SEO manipulation or to redirect users to malicious sites. The primary suspicious URL identified is https://zajinet.ru/award?keyword=aspen+plus+v10+tutorial+pdf.
Machine Learning
- Nyx PDF Classifier malicious score 0.9660
Heuristics 4
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://zajinet.ru/award?keyword=aspen+plus+v10+tutorial+pdf
- https://cdn-cms.f-static.net/uploads/4451205/normal_6023055919674.pdf
- https://static.s123-cdn-static.com/uploads/4403421/normal_5fefc02bd992b.pdf
- https://cdn-cms.f-static.net/uploads/4386824/normal_6042e8f8d9633.pdf
- https://static.s123-cdn-static.com/uploads/4489716/normal_5feb5f8a8373d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/takateg/82652650037.pdf
- https://s3.amazonaws.com/tarizirefevifab/68764241236.pdf
- https://b64dd490-e5b9-492f-89ff-e398ecee904c.filesusr.com/ugd/5926b4_4e90325c94924b28ac569962a4475227.pdf?index=true
- https://229c3593-bb94-4e5d-9b9f-ca3747df48ef.filesusr.com/ugd/145364_fb260bfefea44284bb49edf51b6dd47e.pdf?index=true
- https://s3.amazonaws.com/gajabedafot/manual_de_primeros_auxilios_psicologicos_oms.pdf
- https://s3.amazonaws.com/kugelilizibuwum/what_does_ref_code_s0900_mean_for_comcast.pdf
- https://s3.amazonaws.com/jivamubug/35191140781.pdf
- https://836291d8-7b77-40db-be8c-3105928c7ef3.filesusr.com/ugd/aae074_c73ca0d070d74072a02fd347f962d53f.pdf?index=true
- https://s3.amazonaws.com/vibuvomomuv/colon_polyp_surveillance_guidelines_2017.pdf
- https://uploads.strikinglycdn.com/files/a796e17d-4fbd-4eb1-8f26-a822597aa773/basic_radiological_physics_k_thayalan_download.pdf
- https://uploads.strikinglycdn.com/files/d71b63d8-c6dd-46a3-a2c8-638286b1933b/97657152300.pdf
- https://2061f665-9309-41a6-981d-137229ee7e60.filesusr.com/ugd/eb2fe6_5465ae596ae14722a9413859405c67d7.pdf?index=true
- https://233b4d2f-9c44-4004-b776-098ebc281e6f.filesusr.com/ugd/7f980c_fe35f7024a5e41b4a6bce56f700d0fc0.pdf?index=true
- https://s3.amazonaws.com/tuxenipup/executive_summary_for_project_proposal_template.pdf
- https://c809e8a6-5bdf-489d-8d8c-df4e4638a115.filesusr.com/ugd/45a296_cfef7a0cc82d43b6bcfb459fcf8d81a7.pdf?index=true
- https://s3.amazonaws.com/tosevud/23285239471.pdf
- https://26c1613e-5d28-4fa3-89cb-3d2c9ab59faf.filesusr.com/ugd/fe83c3_27c765cf60444989bf3e1191f36f4afd.pdf?index=true
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc81.bin61377753118286015bc38ef099854d6344850efa68b7067eed68544a511f72fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC81 | 5280 bytes |
font_01_sfnt_off00010e93.bin376ab6d0f7601b8db440d8bb9a6a76a26ed6d2635c81e4d1e3ea124995d10fd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E93 | 11376 bytes |
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