MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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 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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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://kuzutuzo.ru/strik?utm_term=que+significa+ser+lider+de+un+equipo PDF link annotation
- https://cdn-cms.f-static.net/uploads/4471488/normal_601090d344536.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4502336/normal_5ff500634a0d1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390638/normal_60166d60781b5.pdfIn PDF document text
- https://saselafe.weebly.com/uploads/1/3/4/8/134894966/3402409.pdfIn PDF document text
- https://nuzojumikosa.weebly.com/uploads/1/3/0/8/130814298/06a53230981ddde.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408864/normal_5fd7de88c0d8b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4449602/normal_6005d4423f5e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388160/normal_6042e630dab45.pdfIn PDF document text
- https://gedikorewugeg.weebly.com/uploads/1/3/0/7/130775309/9498931.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4530429/normal_60314962ec876.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413843/normal_5ff71499e5663.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/4694b8bd-4a76-47c4-80ec-572f5b8910ff/27493401510.pdfIn PDF document text
- https://3228dc58-b2c1-4aed-ac20-03fc52793822.filesusr.com/ugd/43afbb_1e7559e0a3b8464c8e033111b70c1369.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ceb42c82-344c-4b61-861f-1581d3e62033/custodian_of_records_declaration_california_form.pdfIn PDF document text
- https://5c9c3928-af7d-4195-9e43-9647d7263c15.filesusr.com/ugd/508998_f2038e06dbd145c0b641d50e1ec66171.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/64553ef9-0fc0-462d-a168-7bf681162b4c/intermatic_timer_set_up.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6b32a24-362f-4473-8f13-07bcdab396ab/49440523790.pdfIn PDF document text
- https://989244f3-426d-4557-b4f1-0018dac9047c.filesusr.com/ugd/57c819_76941f49349349e59adff223cfd03578.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c8d42b1d-2392-40ae-b118-4bb64180cfef/vuxajedipunelupafu.pdfIn PDF document text
- https://6478d21b-237c-41b5-add8-96d7b9819624.filesusr.com/ugd/c7ef1a_1f9d457737634fd2a02f5a21f5cac514.pdf?index=trueIn PDF document text
- https://2791e1c6-719d-47aa-bdc5-1556df251b63.filesusr.com/ugd/7757c5_c6acde0dd04443629b82519b0ae49421.pdf?index=trueIn PDF document text
- https://c2bc7a71-cb21-434c-84f6-8d2fc09ed56d.filesusr.com/ugd/03ae60_ffc6541e4c2d4a5da3ca63e19a6b46d7.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_off0001014f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014F | 5512 bytes |
SHA-256: 8e6a83f9290f4b4c3ef641373bc5f90d7eddcc82c8fae48d5f0794c9e4fad654 |
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font_01_sfnt_off00011418.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11418 | 11644 bytes |
SHA-256: a363d430420a8add0c3cae4ffd19e41ad5a8d30cb953028f99e7af16554e766b |
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