MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with at least one, 'https://cructi.ru/pbw?utm_term=teatv+download+for+pc', appearing to be a link farm designed to redirect users to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, suggesting the document is part of a scheme to distribute malware or conduct phishing. No scripts were extracted from this sample.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cructi.ru/pbw?utm_term=teatv+download+for+pc PDF link annotation
- https://static.s123-cdn-static.com/uploads/4460950/normal_5ff3611763431.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4492875/normal_5ff4d21e7623b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379240/normal_601d171a50a24.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496818/normal_6007285d2d0f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497368/normal_605efafec8f72.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/5573f11f-0a77-48c0-bb14-cb5eee8cf99a/cuales_son_los_alimentos_que_son_ricos_en_purinas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/722533a3-f397-4bb0-bc7f-dbec17e4a08c/zirapedanugepukasuge.pdfIn PDF document text
- http://gediripu.pbworks.com/f/bixedakaxorodebobuxut.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8703d028-fafa-41cf-8be3-43617e632191/what_is_typical_weight_loss_on_keto_diet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98d344c4-d2cb-4f14-bd87-598a0edc9ae8/what_does_endorsements_mean_on_your_license.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1fd3f14-0511-4e1c-89d5-dbff9c9ff243/what_does_825_mean_on_jewelry.pdfIn PDF document text
- http://gorixose.pbworks.com/w/file/fetch/144616689/83089868437.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c129621e-5f60-4303-a28a-bee4b50194bb/genie_pro_max_reset_button.pdfIn PDF document text
- http://pebenuziwi.pbworks.com/f/hannah_arendt_livro_a_condio_humana.pdfIn PDF document text
- http://mefijunov.pbworks.com/w/file/fetch/144417780/dominos_number_of_locations.pdfIn PDF document text
- http://vejivab.pbworks.com/f/kms_host_key_office_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f01d3ba8-a15a-419f-829c-d23222791c19/xigadopigebenuradefesej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f65ef84f-3d13-4d33-9899-4ffa9ccfc802/contact_force_in_ls_dyna.pdfIn PDF document text
- http://biduzoku.pbworks.com/w/file/fetch/144614610/bosch_tassimo_coffee_machine_customer_service.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e43bd40-d256-4817-ab5d-2208f55959ef/partituras_cantos_coro_lldm.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_off0000efcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCB | 5072 bytes |
SHA-256: 2e08923d8333e665e8b5011525ba9edaec77f240538a4b8e8376caaff7215fb6 |
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font_01_sfnt_off00010138.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10138 | 11524 bytes |
SHA-256: e598d139ed1bc59bff0e6b2a3d101c2edf333b14063101f5d2c4150b87ff8af2 |
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