MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, with a primary suspicious URL being https://zajinet.ru/strik?utm_term=john+deere+z425+technical+manual, which is likely used to redirect users to a malicious site. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and 'Qt', suggesting it might be a generated document used as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://zajinet.ru/strik?utm_term=john+deere+z425+technical+manual PDF link annotation
- http://health-top.ru/54229715919cp5t.pdfIn PDF document text
- http://firstdoctor.xyz/475946904661bfte.pdfIn PDF document text
- http://sutarakikim.scienceontheweb.net/vetawutinabuvaninapub.pdfIn PDF document text
- http://vixabaj.scienceontheweb.net/12947849900.pdfIn PDF document text
- https://fejoburu.weebly.com/uploads/1/3/0/8/130813906/lesanodagik-xapip.pdfIn PDF document text
- https://cdn.sqhk.co/kugefiruxat/igggcih/14824324717.pdfIn PDF document text
- https://cdn.sqhk.co/nopawuwam/MwjaRja/jizabonuvimutanid.pdfIn PDF document text
- http://sberetransfer.online/paforogoxeminepotapivojejdaky.pdfIn PDF document text
- https://ruwufinojib.weebly.com/uploads/1/3/4/6/134643146/41adf3819.pdfIn PDF document text
- http://jidapuxedepu.medianewsonline.com/japanese_mythology_books_barnes_and_noble.pdfIn PDF document text
- https://faxezufag.weebly.com/uploads/1/3/0/8/130874059/910175.pdfIn PDF document text
- https://cdn.sqhk.co/rojozedofaf/nm6hefT/kazebe.pdfIn PDF document text
- https://cdn.sqhk.co/begokaxawip/hhejvDm/puvezefetujukitonora.pdfIn PDF document text
- https://cdn.sqhk.co/ligumorik/Ehguwjb/classic_games_emulator_for_android.pdfIn PDF document text
- http://lenuvivureropi.scienceontheweb.net/what_is_cycle_efficiency_in_thermodynamics.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/a41c5ea0-e2e0-4b50-9e47-a878da585454/c5h5nhcl_acid_or_base.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/705017e8-18b3-4987-bdbd-03df8d1a75e0/can_you_cook_rice_in_ninja_multi_cooker.pdfIn PDF document text
- https://a2c67b61-a01d-4053-b7ad-f1487bca8054.filesusr.com/ugd/24853a_1a9824f2c3c24d5986f1a139732883f9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d7ac1415-7109-44b1-8ded-90431b33b665/garmin_nuvi_1490_kaart_update.pdfIn PDF document text
- https://ab737b70-891a-4a1f-8db9-ee548211cb31.filesusr.com/ugd/ce14f3_0d025e4996e643a0984883cae5e55921.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b462bf35-df21-4750-bfae-a9743516065a/23817897750.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_off0000f1bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1BD | 5384 bytes |
SHA-256: 79f6bbd3d84fb5c61dc7caa791c3170fa3b5625a834f5066b31fa154a2906a5e |
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font_01_sfnt_off000103ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EC | 11212 bytes |
SHA-256: 856c61e2e96134593aaeee41739fe168e46f4686e3f45f9a4038c0bdfb4e0b20 |
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