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 0.9994
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://leonvi.ru/123?utm_term=angina+instavel+e+estavel+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4484997/normal_6028a97dd2ad6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369654/normal_5fd320af1da4d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4474462/normal_5fcf0ae0e2909.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476767/normal_6041c33d9317f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408001/normal_602af0e3c5c41.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377371/normal_5fe2317517b70.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365594/normal_5fe3b416564dc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448103/normal_5feb6a4de2bb4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446034/normal_602545485838c.pdfIn PDF document text
- https://povemiloten.weebly.com/uploads/1/3/4/6/134608376/2503221.pdfIn PDF document text
- https://dilopimejaz.weebly.com/uploads/1/3/4/4/134487403/letafevokazolem_wapipavof_koxelofi_pepuxavanax.pdfIn PDF document text
- http://vizezokope.iblogger.org/how_to_read_your_astrology_natal_chart.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444115/normal_6040abb6ba482.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489588/normal_5feb9b124e55e.pdfIn PDF document text
- https://gopikuximodel.weebly.com/uploads/1/3/1/3/131384340/munux.pdfIn PDF document text
- https://tuwozuzoleza.weebly.com/uploads/1/3/4/5/134509843/fosalewulipoguruvez.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mesariwogul.rf.gd/honeywell_home_fan_wont_shut_off.pdfIn PDF document text
- https://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_1556222d796842c1a05782e60f78d5c5.pdf?index=trueIn PDF document text
- https://01477de9-116b-42a6-a62c-54244336611e.filesusr.com/ugd/dea9e9_7a30a8f4dd0146dd871697e827d2b16c.pdf?index=trueIn PDF document text
- https://f110cc6a-49d6-427c-9ab6-a3a4d323b004.filesusr.com/ugd/9e53d4_4e5abcc06bdf46499c6dd6d4d2682f35.pdf?index=trueIn PDF document text
- https://c5c27394-2042-4749-9b39-d1c24dcbd9f0.filesusr.com/ugd/e9b987_69245eb6ae1a46ada44f5a050329ee3c.pdf?index=trueIn PDF document text
- https://4be8a7ba-6c9a-47a4-99fc-a5961b41a404.filesusr.com/ugd/132250_fbd1b6ce11444f5fbb0ae26bcfde54ec.pdf?index=trueIn PDF document text
- http://doxanoz.rf.gd/suduzozonigexu.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000106ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AD | 5164 bytes |
SHA-256: 33b7204a0ca387ac4e62868b8b4523a3476b94346a207e8708f7dd17cd90cb82 |
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font_01_sfnt_off00011867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11867 | 12664 bytes |
SHA-256: c0f3484e0a4f5b153bddb3a5ecee78b496ff4e07abdfa3abff1ec83c721cb009 |
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