MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains an embedded URI pointing to 'medvor.ru', which is likely a phishing or malware distribution site. The PDF also exhibits characteristics of a link farm on disposable hosting, suggesting an attempt to obscure the malicious destination. No scripts were extracted, but the PDF structure and embedded URLs indicate a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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://medvor.ru/pbw?utm_term=how+to+reset+inverter+overload PDF link annotation
- https://static.s123-cdn-static.com/uploads/4452169/normal_5ff9ceb3ef1f9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378599/normal_605327f02ba5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380680/normal_6041a15dad3c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449616/normal_602b874f969fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387925/normal_605f78f6d065f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368735/normal_5fdad0ccd7ea1.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/8e9c9aa7-25a8-4b7a-abdd-faa0d84cfe4e/wigeburozonanerutuwu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/77242c8c-8f5b-432d-8b06-78dd9b3bdf02/jimobujutesifapomim.pdfIn PDF document text
- http://vifogajo.pbworks.com/w/file/fetch/144485355/intro_to_brain_and_behavior_6th_edition_kolb.pdfIn PDF document text
- http://luwapoveduvi.pbworks.com/w/file/fetch/144487269/what_are_logical_connectors_examples.pdfIn PDF document text
- http://nonesupul.pbworks.com/f/demusagefixir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6945a98-6a02-4500-b2b2-3a4f7cb4435e/rigosubusejigidujugizexof.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12f51125-0c6a-4073-b1f3-7abd1f3e9126/are_police_reports_public_record_in_texas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bb08bbec-2fa3-4d3f-b0f3-8615137d49c0/do_natives_live_in_teepees.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd1f785e-c103-492a-b1fa-add2cfb58f16/98162120946.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b7865f2a-9be0-4b1b-b746-7e0ec542cf1a/73776551376.pdfIn PDF document text
- http://juvupumanut.pbworks.com/f/how_to_farm_gold_gear_azur_lane.pdfIn PDF document text
- http://nimulivupale.pbworks.com/f/zezosanezolufusorinu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6fcaf1c-5be0-4397-bf04-d8e67a7d039e/nawifarewezuzilaj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f905bfa7-9391-4961-afb0-c2f3806d9831/how_to_connect_hp_deskjet_3052a_printer_to_wifi.pdfIn PDF document text
- http://gepaduluvet.pbworks.com/w/file/fetch/144634086/west_buckland_primary_school_uniform.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_off0000e127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE127 | 4932 bytes |
SHA-256: 8cfbc32d86b934068fc8c9b0050692a744e943bebd539c51d827659b75c81925 |
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font_01_sfnt_off0000f20b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20B | 10648 bytes |
SHA-256: 81cc3b7a499a92af08f33ee0b647c52c2d5e43d4c1340ddc3cbe0635e461298e |
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