MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are to benign-looking documents, but one key URL, 'https://golowaki.ru/123?utm_term=seismic+exploration+pdf', is flagged as unknown and is likely malicious. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://golowaki.ru/123?utm_term=seismic+exploration+pdf PDF link annotation
- https://cdn.sqhk.co/kasuvapexal/hhgsLic/vutuvizigotoju.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378599/normal_605327f02ba5f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424043/normal_6000890d8a536.pdfIn PDF document text
- https://cdn.sqhk.co/dodanadofu/U84hfzO/87704400202.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413126/normal_5fc6cf3ac3690.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443610/normal_5fef59d45e19b.pdfIn PDF document text
- https://cdn.sqhk.co/vedimurami/j4jdhfa/amazon_sellers_account_customer_service.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375203/normal_5ff5c976accb8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4451575/normal_6008a34cb340b.pdfIn PDF document text
- https://cdn.sqhk.co/repudodo/ieXmrhj/disney_package_deals.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369506/normal_600f4d843a727.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/3320a19d-da2c-4982-bc8a-da04164ec16c/how_to_play_blackbird_on_classical_guitar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f996bd70-6820-4477-95dc-570c88696f32/hp_deskjet_f4280_price_philippines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/847cd40c-7b8a-4b74-b9d9-4dc6535811f4/sedikigapa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/954cff8b-65ab-41e2-8111-4f807f27ca60/hp_photosmart_6510.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a59f940c-235d-4a73-b00c-5f353f134ec7/retofogiv.pdfIn PDF document text
- https://0cc2a7d0-6f33-4335-9ec9-554d9418487e.filesusr.com/ugd/cb4a18_167ad72bbf0d4224b836f975f96c1cd4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fd4046fd-c442-4370-aa94-1b659e427b19/19895905187.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/836159fb-2e21-4bde-b1ed-a0a7c34525a0/troy_bilt_tiller_tire_size.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cf01cff-2f0e-405c-8cfe-9308800a313c/how_to_start_programming_an_app.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca653b80-a812-4614-a558-e3dd7c70fd65/wugewitigeje.pdfIn PDF document text
- https://19f621d4-ab03-49b5-bf1d-c78de40104d4.filesusr.com/ugd/bc84a3_dcb49c798e5740fb92d1e8a05674f3c1.pdf?index=trueIn PDF document text
- https://441768bb-9839-4df4-8f78-dd1233b527f6.filesusr.com/ugd/7e6080_a4469c672a58474cbbfba7d840753d8e.pdf?index=trueIn 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_off0000eec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC8 | 5472 bytes |
SHA-256: 2c8a2ca04040d96bba7462fab89df364cc49c5405d2ada39d8ac125a20f2ab6e |
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font_01_sfnt_off00010151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10151 | 10844 bytes |
SHA-256: 8b3c68781a2071f5ec535caead43168522768c96fb364d239f633d6e1cf589df |
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