MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a high-confidence ML classifier and ClamAV detection indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a tactic to obscure the true destination. The primary malicious URL identified is 'https://coretry.ru/pbw?utm_term=addition+and+subtraction+worksheets+with+regrouping+for+2nd+grade', which is likely used to deliver a secondary payload or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://coretry.ru/pbw?utm_term=addition+and+subtraction+worksheets+with+regrouping+for+2nd+grade PDF link annotation
- https://cdn-cms.f-static.net/uploads/4467915/normal_6056ef936dcfb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375203/normal_605c5d0722d4a.pdfIn PDF document text
- https://niboxevukok.weebly.com/uploads/1/3/4/6/134649508/4e350ad22d7a3f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403818/normal_60170b26567c4.pdfIn PDF document text
- https://gebusoju.weebly.com/uploads/1/3/0/9/130969184/ruxalemova.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495526/normal_6026e8c8b9b8a.pdfIn PDF document text
- https://mitixomog.weebly.com/uploads/1/3/4/8/134859124/dexikodeve.pdfIn PDF document text
- https://valezofijamope.weebly.com/uploads/1/3/4/4/134445284/fanevuvexi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gijutexamuwa.pbworks.com/f/download_twilight_saga_breaking_dawn_part_1_in_hindi_720p_khatrimaza.pdfIn PDF document text
- http://kuperuxowix.pbworks.com/w/file/fetch/144587940/cutlip_and_centers_effective_public_relations_international_edition.pdfIn PDF document text
- http://rekadezabo.pbworks.com/w/file/fetch/144727683/factoring_algebraic_expressions_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa6af0b4-c8b4-4575-a6b9-a932bb4e6800/cabelas_meat_grinder_08-2201.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/286cc1b2-bd1e-4b28-a595-5a7e8faf6d3b/1998_honda_accord_coupe_ex_owners_manual.pdfIn PDF document text
- http://rubepikonot.pbworks.com/f/does_sony_have_xfinity_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1085c1ca-83f5-429c-a1ab-bd9df72b9d89/78489055221.pdfIn PDF document text
- http://rabopadob.pbworks.com/w/file/fetch/144695289/modidemiroj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6b92098-1522-40dc-9ffd-bd13e308070c/miracle_box_setup_crack_latest_version_2020_free_download.pdfIn PDF document text
- http://pefagisunel.pbworks.com/f/skullcandy_uproar_wireless_headphones_review.pdfIn PDF document text
- http://sisagexal.pbworks.com/w/file/fetch/144596721/how_to_reprogram_adt_safewatch_pro_3000.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b60e260d-07dd-44ab-863f-fe84de37a510/nuliwepuligas.pdfIn PDF document text
- http://xewubamefa.pbworks.com/w/file/fetch/144679890/balance_of_payments_notes.pdfIn PDF document text
- http://mapaduzipi.pbworks.com/f/vamivewabagopo.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_off0000ee12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE12 | 5800 bytes |
SHA-256: 91e079bd07525eaad2fe3d14372672bcc00932f28f9a3d9bccf75ab3a0b16ff1 |
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font_01_sfnt_off000101e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E8 | 10316 bytes |
SHA-256: c9786bfe550c7862dab1ed7a0e8edc000e4bb5e2751ae9d3095027afb81df222 |
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