MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical finding for brand-impersonation credential phishing targeting Outlook. The file contains numerous external URIs, many of which point to disposable hosting and redirectors, suggesting a link farm designed to obscure the ultimate malicious destination. The ML classifier also assigned a high probability of maliciousness.
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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://depovazopalixu.weebly.com/uploads/1/3/2/6/132681382/wutob.pdf.
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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://seumenha.ru/strik?utm_term=what+is+human+nature+philosophy PDF link annotation
- https://cdn-cms.f-static.net/uploads/4489052/normal_600acdfb134f5.pdfIn PDF document text
- https://depovazopalixu.weebly.com/uploads/1/3/2/6/132681382/wutob.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408706/normal_603f809973ec0.pdfIn PDF document text
- https://wizugelavuri.weebly.com/uploads/1/3/5/3/135325487/97562d35.pdfIn PDF document text
- https://siteketu.weebly.com/uploads/1/3/4/3/134362374/noxutev-fipula-buzozitapoged-mefoxasod.pdfIn PDF document text
- https://fujowutel.weebly.com/uploads/1/3/3/9/133997949/voluboja.pdfIn PDF document text
- https://weneboremuneje.weebly.com/uploads/1/3/5/3/135317625/fetigogakorasidom.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416502/normal_5fc98f6d3fdea.pdfIn PDF document text
- https://wajovojov.weebly.com/uploads/1/3/4/6/134652085/4930259.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474448/normal_604067ecb8c36.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462374/normal_6043fada8e4da.pdfIn PDF document text
- https://suzefajadovu.weebly.com/uploads/1/3/4/5/134592553/3f99e4181091ac.pdfIn PDF document text
- https://wajabanafeku.weebly.com/uploads/1/3/4/5/134599300/2977149.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/tezude/12784444345.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4c28335-9b8e-47d2-895d-c0797c664d9e/how_many_calories_do_5_year_olds_need.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/981ba28d-eedb-476d-87e4-aeced7396212/what_are_the_requirements_for_the_overseas_service_ribbon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8229c2d4-f608-4c59-a851-655f10e2e756/watch_the_devil_wears_prada_online_free_fmovies.pdfIn PDF document text
- https://s3.amazonaws.com/jepavilutabilel/47109672615.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f954987-7d13-4e94-be6f-4e9fd7766e96/fugoxufumaxixire.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_off000215fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x215FD | 5176 bytes |
SHA-256: 7ce2b0d64c99f9ee1fd78e48af864ee21fb41c8b29cf004e967e421ff11b4310 |
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font_01_sfnt_off0002277d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2277D | 12364 bytes |
SHA-256: c49adb8719d2ae3b2b7da203b0657004b5ca5e85f2bbd54b110d9d196b66a3a2 |
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