MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One prominent URL, 'https://zajinet.ru/wix?keyword=monster+hunter+thousand+dragons', indicates a potential lure related to a popular game. While no explicit scripts were extracted, the PDF structure and extensive link farm are indicative of malicious intent, likely to redirect users to phishing or malware-hosting sites.
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 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://zajinet.ru/wix?keyword=monster+hunter+thousand+dragons PDF link annotation
- https://cdn-cms.f-static.net/uploads/4482629/normal_60353eef56ed4.pdfIn PDF document text
- https://gumopokexu.weebly.com/uploads/1/3/0/8/130814161/jezagaligikatevunu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449009/normal_6009bafc413ee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426820/normal_605328f8e3a96.pdfIn PDF document text
- http://gemajelibetojup.scienceontheweb.net/how_to_study_idioms_and_phrases.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475989/normal_603259a1d5af7.pdfIn PDF document text
- https://zosomezo.weebly.com/uploads/1/3/0/9/130969149/8718005.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aa4de0c4-a7fb-47f6-97fe-5721705e71c1.filesusr.com/ugd/824332_5819ca90bda14a31b96c7e78648f1887.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ddc10f97-0183-4cd1-bac6-b3057c1e59bc/xeniwiputowidagon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfe9bc13-ca4b-41aa-97c9-dca08572cceb/why_is_my_mobile_hotspot_not_working_samsung_a20.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/858d7732-6713-4282-837c-0cd5391a8690/xatoluva.pdfIn PDF document text
- https://486a928f-df87-4682-b39c-9199637d78f9.filesusr.com/ugd/982a49_58516072eeed4c078481f8ab180e772e.pdf?index=trueIn PDF document text
- http://naburonip.myartsonline.com/kapavotovup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1afc1911-3b81-4abd-a7d6-4fc380318773/saturated_solution_definition_chemistry_example.pdfIn PDF document text
- https://s3.amazonaws.com/mizeteb/66575501536.pdfIn PDF document text
- https://s3.amazonaws.com/pasutiz/voluntary_acknowledgement_of_paternity_form_pennsylvania.pdfIn PDF document text
- https://3e80c8bf-0031-4ca1-bfa9-4484641fefed.filesusr.com/ugd/08103e_b0c07e9ea489469b9b76573dbaf343fd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/naxozelozude/decimals_worksheets_for_grade_6_cbse.pdfIn PDF document text
- https://d0275d90-c5b4-4c72-b581-d0e2b62fc6dd.filesusr.com/ugd/ee54da_cc0a52b56d40485ab17056e9ff3bf023.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/283f20cb-08ff-4bcb-9629-161d5a4a0307/27740635383.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011f62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F62 | 3004 bytes |
SHA-256: c322acab9d12eacc8c642e407dafd9d35be0a22d88aba3133a686e5ad6f6594c |
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font_01_sfnt_off00012a13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A13 | 5060 bytes |
SHA-256: 9c2a84c99856fface49a7e47d1391856aa15982e1e1a1c4faacb29c692b712f8 |
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font_02_sfnt_off00013b4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B4B | 11532 bytes |
SHA-256: 1087370c530ba27e6d57f4209306a4e2024a6d75481cdb41276e16d49842da9e |
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