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 0.9997
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://gimoguvi.ru/award?keyword=autoclave+parts+and+functions+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4484623/normal_6039811302f78.pdfIn PDF document text
- https://minadefimufev.weebly.com/uploads/1/3/4/6/134635785/5577538.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528915/normal_600b0e323eae3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409628/normal_605188bf0d80b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413693/normal_5fde5376cc3de.pdfIn PDF document text
- https://soletobapikod.weebly.com/uploads/1/3/4/5/134582957/003673035a2.pdfIn PDF document text
- https://poxobavu.weebly.com/uploads/1/3/1/4/131453713/e957e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366989/normal_604f438c04b8a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368238/normal_6031ad52ea2ee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365634/normal_600fdaa5229a8.pdfIn PDF document text
- https://letotanuvimipe.weebly.com/uploads/1/3/4/5/134598603/pukozopul_mitoxofibi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451212/normal_606572f8372c7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410717/normal_6026dc2920263.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489050/normal_5fe2a04d41126.pdfIn PDF document text
- https://naxetiluwe.weebly.com/uploads/1/3/1/4/131483002/jogijarip-tusenevud.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449774/normal_6023df6a323f7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424010/normal_5fe4d7dee95e3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a9d1d3ec-13fa-4b7e-abe1-abe2c2ba1301.filesusr.com/ugd/f83029_eaefc36dce1d419e977fb3ea5ddf2e8f.pdf?index=trueIn PDF document text
- https://7133fc40-0b9c-4701-b953-e7fafc934b44.filesusr.com/ugd/70a38d_097614a230854c5583c3602a8fd67e37.pdf?index=trueIn PDF document text
- https://b2691e05-be35-46d2-a26d-08c503de0475.filesusr.com/ugd/b15c0b_6b763155876f401789d4a244f3b09b54.pdf?index=trueIn PDF document text
- https://91e55214-10ad-44cf-a10a-60a9392df58b.filesusr.com/ugd/e1c37d_f93f9fe030274fe19173de604402bb0b.pdf?index=trueIn PDF document text
- https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_9d90f0447e834ca3b6e8bbbd2a453eea.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_off00010ef0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF0 | 5196 bytes |
SHA-256: 8a0c4c451119e4abe8d9fdb7cf7003363b2bc3417ebe2ba686a00a46b1b9fb33 |
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font_01_sfnt_off000120b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120B4 | 10836 bytes |
SHA-256: 87a77df01e92d4582102458b27b56b75649b8a24549a90ea4fdb3da243d4a613 |
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