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 0.9970
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chcial.ru/pbw?utm_term=resentment+aa+worksheet PDF link annotation
- https://cdn-cms.f-static.net/uploads/4481072/normal_602f00f418630.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366377/normal_5fedcfbee8cce.pdfIn PDF document text
- https://futinenapol.weebly.com/uploads/1/3/1/4/131438538/7310499.pdfIn PDF document text
- https://jivafizet.weebly.com/uploads/1/3/4/7/134743279/wiwixeboselenud.pdfIn PDF document text
- https://rupusuji.weebly.com/uploads/1/3/4/8/134878943/fawixige_wumovunore.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4504554/normal_6050626548fda.pdfIn PDF document text
- https://jufujepil.weebly.com/uploads/1/3/4/6/134650130/08dc5d.pdfIn PDF document text
- https://zefowumuf.weebly.com/uploads/1/3/5/3/135327275/dikutave.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444853/normal_60bf2909c16e4.pdfIn PDF document text
- https://javofosuzuvenew.weebly.com/uploads/1/3/4/5/134588543/mawikidel.pdfIn PDF document text
- https://satizuluvom.weebly.com/uploads/1/3/4/4/134481830/fuveniwomuwalam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370319/normal_605bfbe7f0380.pdfIn PDF document text
- https://lawukexudemodu.weebly.com/uploads/1/3/4/0/134041757/zotajewubaxox.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424996/normal_6059d94b66d6b.pdfIn PDF document text
- https://vuginavoji.weebly.com/uploads/1/3/0/7/130775358/fidapugeb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365607/normal_60418ec054ebc.pdfIn PDF document text
- https://fomiradoxep.weebly.com/uploads/1/3/4/5/134512134/4848388.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404121/normal_6015fdcc4f3f7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402294/normal_5fe53d3cba875.pdfIn PDF document text
- https://dawopebasigu.weebly.com/uploads/1/3/4/8/134886486/folerutelulozom.pdfIn PDF document text
- https://jubibesu.weebly.com/uploads/1/3/1/3/131379113/ccd53d3c36c0e9a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411691/normal_60120a5ac60e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459057/normal_6059134d91238.pdfIn PDF document text
- https://zowerekogag.weebly.com/uploads/1/3/4/6/134672266/61f6b80b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375341/normal_5fef8ff8a8ae5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387701/normal_5fce8bb58f618.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0001010a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010A | 5056 bytes |
SHA-256: 4f18cf6079183d4e3ebd85567fd8ad9f010cc07e37b46f390bc14dd8b3b30d57 |
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font_01_sfnt_off00011221.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11221 | 13952 bytes |
SHA-256: d30826af3d7252c3bc844c971f886dec3289231b1ab2ba2b9b5cf9adfb037357 |
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