MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. The document body, though heavily obfuscated, contains text related to 'employment contract termination letter template', suggesting a social engineering lure. The embedded URL 'https://mezovuduw.ru/123?utm_term=employment+contract+termination+letter+template' is a primary indicator of the malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://mezovuduw.ru/123?utm_term=employment+contract+termination+letter+template PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369525/normal_60555d1a58678.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479691/normal_5fcfac24a1286.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369164/normal_605ba2c6f2dba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415080/normal_605b1a4f9c50a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370064/normal_601611e44e8ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367940/normal_60421ca26d07e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402724/normal_60baacdae99bd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392207/normal_5fd73c30a0234.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/10631bfc-c2b6-4efd-8331-5921dcd43ed2/sudugofubutolalodum.pdfIn PDF document text
- http://japomajuxire.pbworks.com/w/file/fetch/144441741/baixar_pokemon_mega_ruby_para_gba_em_portugues.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ac643c5a-d804-4f91-8428-6e87159fd2cd/why_is_my_jacuzzi_tub_not_working.pdfIn PDF document text
- http://pidexuxok.pbworks.com/w/file/fetch/144582456/72500240843.pdfIn PDF document text
- http://wuvebag.pbworks.com/w/file/fetch/144425484/mymathlab_college_algebra_answer_key.pdfIn PDF document text
- http://xugilip.pbworks.com/w/file/fetch/144744426/tuwurulinijiborafakasebak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e64fd361-af9e-4874-bb34-24e606a8d6a1/why_wont_my_quadra_fire_pellet_stove_light.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65ba00e8-bd9c-4846-83af-9e0a0e50bc47/gubura.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2face21a-a16d-4c6b-868a-b507e81651f7/how_to_set_a_robertshaw_thermostat.pdfIn PDF document text
- http://vogituvu.pbworks.com/w/file/fetch/144508389/wedonotobazobaloxuzejese.pdfIn PDF document text
- http://fuxotatizexu.pbworks.com/f/qasidah_assalamualaik_free_download.pdfIn PDF document text
- http://rukutuxeriro.pbworks.com/w/file/fetch/144577908/qualitative_characteristics_of_financial_statements_under_ifrs_framework.pdfIn PDF document text
- http://siruzosu.pbworks.com/w/file/fetch/144758127/resumen_capitulo_28_rayuela.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7526c13-b337-4f7f-9327-1478142ea45f/70083099753.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e6fabd2-abe2-4cd2-a684-51e4db0494c4/macintyre_after_virtue_sparknotes.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_off00010b96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B96 | 4960 bytes |
SHA-256: bf0e779059a4d47c44042ad41e8039d01fc695b97e5d65b2618bbbe687e9b016 |
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font_01_sfnt_off00011c6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C6A | 10608 bytes |
SHA-256: 0a876e7cc0e483688742e4e8afd8c2b3a71268f3c9b351224e66404de3b855cc |
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