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://bologen.ru/123?utm_term=casual+employment+termination+letter+sample+pdf PDF link annotation
- https://funifagokose.weebly.com/uploads/1/3/2/6/132681236/a8a49aeffa.pdfIn PDF document text
- https://bulipabuwalo.weebly.com/uploads/1/3/4/1/134131868/savasa.pdfIn PDF document text
- https://fedubipogumuwu.weebly.com/uploads/1/3/1/3/131379546/1f1d0d67d86.pdfIn PDF document text
- https://jinonapipi.weebly.com/uploads/1/3/4/4/134481743/pexul.pdfIn PDF document text
- https://voxugenones.weebly.com/uploads/1/3/1/8/131871951/2b83028e36d98.pdfIn PDF document text
- https://rikusinifo.weebly.com/uploads/1/3/4/0/134017093/2e764a94987.pdfIn PDF document text
- https://jijajaxasivezix.weebly.com/uploads/1/3/4/5/134588510/7788173.pdfIn PDF document text
- https://nozirokopen.weebly.com/uploads/1/3/4/6/134613575/532983.pdfIn PDF document text
- https://kumaneke.weebly.com/uploads/1/3/4/6/134682587/majujovubopipupuj.pdfIn PDF document text
- https://lononefebodamu.weebly.com/uploads/1/3/2/6/132696526/3075158.pdfIn PDF document text
- https://nimorozidu.weebly.com/uploads/1/3/4/3/134373006/e817f0b96f6e07a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473963/normal_5ff428db00406.pdfIn PDF document text
- https://wijodemarivupi.weebly.com/uploads/1/3/4/8/134861972/4542abc105b9e.pdfIn PDF document text
- https://rigafefabapamum.weebly.com/uploads/1/3/4/4/134486683/6773867.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475863/normal_5ff49f9a494b6.pdfIn PDF document text
- https://lozezuxugi.weebly.com/uploads/1/3/4/0/134016676/05a6a4f7d6152.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sisagexal.pbworks.com/f/87925465945.pdfIn PDF document text
- http://gudotoxej.pbworks.com/w/file/fetch/145041504/zimiselavorazagipujula.pdfIn PDF document text
- http://madatev.pbworks.com/w/file/fetch/145000404/formal_letter_greetings_and_closings.pdfIn PDF document text
- http://muzupusap.pbworks.com/f/xurobi.pdfIn PDF document text
- http://wuxikadafi.pbworks.com/f/gamofevijuguwakepavemevew.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_off0000e41a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE41A | 5196 bytes |
SHA-256: 8b35825586c2687bab4213033e5366145a5a83bff9b3c5b516422d7d961b55bc |
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font_01_sfnt_off0000f5af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AF | 10108 bytes |
SHA-256: 1481806d8d365cdaf6d9b1ea2b96e47e281edb7e6e13d79fac37b82c587c1727 |
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